Why does warm air always rise at a front?

Answers

Answer 1
Warm air is less dense than the cool air that surrounds it so it rises above it

Related Questions

In the citric acid cycle when an aldol addition occurs in a biological system, how do the amino acids contained in the Citrate Synthase enzyme help facilitate the reaction

Answers

Answer:

Citrate Synthase facilitates the formation of citrate by deprotonating Acetyl CoA and by protonating the carbonyl oxygen of oxaloacetate

Explanation:

Citrate synthase is a key enzyme in the citric acid cycle that functions to catalyze the formation of citrate from oxaloacetate and acetyl-CoA: acetyl-CoA + oxaloacetate + H2O >> citrate + CoA-SH (Coenzyme A ). This enzyme contains three amino acids at its active site that work together to catalyze the conversion of acetyl-CoA and oxaloacetate into citrate. This active site acts by abstracting (deprotonating) a proton from the alpha carbon of Acetyl CoA which serves as the nucleophile. Subsequently, the active site of the enzyme also protonates the carbonyl oxygen of oxaloacetate, which then suffers nucleophilic attack and thereby facilitating nucleophilic substitution reaction.

Select the best answers from the drop-down menus. Brushing and flossing one’s teeth regularly prevents . It is possible to inherit this disease from one’s parents. Quitting smoking may prevent this disease or disorder of the stomach. A diet rich in fiber can be good for preventing .

Answers

Answer:

gingivitis

celiac disease

gastritis

diverticulitis

Explanation:

Identify the two genes of each parent that would always produce an ear of corn which has all yellow kernels.

Answers

It would be YY or Yy

Discuss the importance of the change in CO with exercise?

Answers

Enhancing cardiac output allows you to maintain lower heart rates during physical activity. During exercise SV will increase related to the response of the increased pressure of the heart in order to supply blood to the body.

Why was Copernicus's heliocentric model not believed until Galileo and Kepler provided mo
The model had the moon orbiting Earth.
The model was against religious teachings.
The model could not explain retrograde motion.
The model did not include all eight planets in the solar system.

Answers

Answer:

the model was against religious beliefs.

Marianne is conducting an experiment on homeostasis in paramecium, which is a type of single-felled organism. Which of these observations provides the strongest evidence of a paramecium maintaining homeostasis

Answers

Hello. You did not present the answer options, which makes it difficult for you to receive a specific answer. However, I will try to help you in the best possible way.

One of the most common evidences that a paramecium is maintaining homeostasis is the pumping of water from the vacuoles present in its body.

The paramecium is a protozoan that lives in aquatic environments, mainly those composed of fresh water. The problem with this environment is that water is able to enter the paramecium organism in large quantities and this can promote the disruption of the organism through lysis of the cell. In this case, homeostasis must act quickly and pump water out of the body, through the cell vacuole.

Homeostasis is a regulatory system of the organism, which must promote the balance of the organism, whenever any external or internal factor tries to harm this balance.

I need a definition of representation and diversity

Answers

Answer:

resperation is the the action of breathing.

diversity is a range of different things.

Explanation:

7. Phytoplankton + Shrimp → Snapper → Shark
There are 2,500 kcal available for the 1st trophic
level.
There are kcal available for the 2nd trophic level.
There are kcal available for the 3rd trophic level.
There are 2.5 kcal available for the 4th trophic level.
Fill in the organisms and energy amounts on the
pyramid to the right
8. Use the food chain you created in #3 and complete

Answers

Answer:

The first level is 2,500

The second is 250

The third level is 25

and the fourth level is 2.5

Explanation:

The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.

Am I supposed to answer #8?

The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat.

What is an ecosystem?

An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.

Moreover, 7 major ecosystems are forest ecosystem, grassland ecosystem, tundra ecosystem, desert ecosystem, freshwater ecosystem, and marine ecosystem.

Hence, healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. They provide raw materials and resources for medicines and other purposes. They are at the foundation of all civilization and sustain our economies.

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what is diffussion ?
Defines osmosis?
what is hypotonic solution?​

Answers

Answer:

Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.

Dictionary

Definitions from Oxford Languages

Search for a word

osmosis

/ɒzˈməʊsɪs/

Learn to pronounce

noun

1.

BIOLOGY•CHEMISTRY

a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.

2.

the process of gradual or unconscious assimilation of ideas, knowledge, etc.

A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.

Wave frequency is measured in units
called Hertz (Hz). One Hertz is defined as
one wave per second. Suppose a person
counted 10 waves passing by over a time
period of 1 second. What is the wave
frequency?

Answers

Answer:

it will be 10Hz ,because number of waves per second is 10 so we divide with 1second

The wave frequency of a wave which is passing by 10 waves over a time period of 1 second will be 10 Hertz (Hz).

What is Wave frequency?

Wave frequency can be defined as the number of waves which are passing through a fixed point in a given amount of time period. The SI unit for the wave frequency is the hertz (Hz), where 1 hertz is equal to 1 wave which is passing through a fixed point in the time period of 1 second. A higher-frequency wave has generally more energy than a lower-frequency wave with the same magnitude of amplitude.

The wave frequency of a wave which is counted to be 10 waves passing through a point in a time period of 1 second will be 10 Hertz (Hz).

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 Which would be worse a change in DNA or a change in mRNA & why

Answers

Answer:

i think its DNA

Explanation:

im not sure

A solid is that form of matter that possesses the following
characteristics __.
a
Particles vibrate around fixed axes
b Definite shape
C
Definite volume
d All of the above

Answers

Definite volume is doesn’t possess a definite volume so therefore the answer is c

**100 POINTS** DNA is an organic molecule that is the code of life. DNA is made up of smaller molecules that form together into two chains. Those chains spiral around each other to form the DNA molecule. Which dichotomous key best describes DNA?

Answers

Answer:

Each step is based on genetic traits

Explanation:

so I think u can choose which one it is based on wht i said

What tonicity term applies to the solution surrounding this cell?

Answers

Hypotonic. Since the black molecules can cross the cell membrane and water molecules are able to cross, the solution surrounding the cell has a lower solute concentration compared to the inside, causing water to move into the cell.

To determine the tonicity of the solution surrounding the cell in the given image, we need to consider the movement of water molecules across the cell membrane.

Based on the image, the black molecules can cross the cell membrane, while water molecules are also able to cross. Tonicity refers to the concentration of solutes outside the cell compared to inside the cell.

In this case, if the solution surrounding the cell has a lower concentration of solutes compared to the inside of the cell, water will move into the cell to equalize the concentrations. This would cause the cell to swell or potentially burst.

Therefore, the appropriate tonicity term for this situation is "Hypotonic." A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, resulting in water moving into the cell.

Hence, the correct answer is "Hypotonic."

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Search using the internet on how you can expand or enhance one's knowledge of animal/fish raising.​

Answers

Answer:

Fish farming involves raising a variety of aquatic animals, such as fish, mollusks and shrimps in an enclosure such as a tank or pond. With the surge in demand for healthy animal protein the  demand for fish and fish products is on the rise. Fish farms have the potential to produce fish for home consumption at about $0.90/lb which is a considerable saving when compared to supermarket prices of over $2.00/lb.

The first step for fish farming is to determine what you are going to do with your full-grown fish. You need to know the purpose, whether you are going to keep fish as a pet or for fish meat. This will decide a lot of things like the space requirements, equipment and capital requirements. If you intend to keep fish as a pet for showcase then a small tank or a backyard small fish farm is sufficient. If you intend to put a small fish farm with one or two ponds then also with a little business mindset you can market 1000 to 2000 lb of fish.  

This will also require you to set up a business entity and have a business mindset.The costs associated with raising different types of fish varies because different fish need certain temperature water to live. The type of fish also decides the requirement of equipment and the feed cost. There are lots of laws about raising fish and animals, and even more, stringent laws related to raising animals that are going to be consumed as food.

Before starting fish farms or fish hatchery of any size or type it is advisable to check local laws and the need of permits  to do so in your area.Normally you will get a license to operate your fish farm for a year which will be renewable. You need to submit the following documents to apply for the license:

Filled in application form

Sketch or aerial map of the facility layout, including dimensions

Copy of fish health certificate

Copy of stocking permit

Letter of a written permission from the landowner (in case if you are not the landowner)

Explanation

(I truly apologize if this answer is too long)

explain the following type of respiration with diagram in toad:
1..Buccal respiration
2..Cutaneous respiration
3.. Pulmonary respiration​

Answers

Answer:

1.Buccal pumping is "breathing with one's cheeks": a method of ventilation used in respiration in which the animal moves the floor of its mouth in a rhythmic manner that is externally apparent.

2.Cutaneous respiration, or cutaneous gas exchange, is a form of respiration in which gas exchange occurs across the skin or outer integument of an organism rather than gills or lungs.

3.Pulmonary ventilation is commonly referred to as breathing. It is the process of air flowing into the lungs during inspiration (inhalation) and out of the lungs during expiration (exhalation.

Yan Lang po Sana makatulung

Explain the difference between a data table and a graph.
When do you use a data table?
When do you use a graph?
HELP ME!!!

Answers

Answer:

A data table is a visual instrument comprised of labeled columns and rows, while a graph is a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.

They are used for different purposes, depending on the problem

A data table is a visual instrument comprised of labeled columns and rows, while a graph is a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.

a diagram that models the process of photosynthesis is shown below complete the diagram by filling in the missing labels.
I have this so far

Answers

Answer:

reactants = carbon dioxide & water

energy source = light

waste product = oxygen

primary energy = glucose

Explanation:

The energy source is light, reactants are carbon dioxide and water, the waste product is oxygen and primary energy is glucose.

What is photosynthesis?

The sustainability of the significant number of life on Earth depends on photosynthesis. It is how almost all of the energy in the biosphere is made accessible to living beings.

All higher living forms on Earth consume photosynthetic organisms directly or indirectly since they are the primary producers that serve as the foundation of the planet's food webs.

Additionally, photosynthesis is responsible for producing virtually all of the oxygen in the atmosphere. The majority of creatures would vanish, there might soon be little food or other organic stuff on Earth, and the atmosphere would eventually be almost barren of gaseous oxygen if photosynthesis stopped.

Commonly used notation for photosynthesis is: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. This indicates that the reactants, six carbon dioxide molecules, and six water molecules, are transformed into a sugar molecule and six oxygen molecules, the products, by light energy being absorbed by chlorophyll (implied by the arrow).

The creature consumes the sugar, and as a byproduct, oxygen is produced.

Therefore, the energy source is light, reactants are carbon dioxide and water, the waste product is oxygen and the primary energy is glucose.

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This sunbird has built a nest.
How does this behavior affect the survival of the sunbird population?
O A. It keeps offspring warm as they grow and develop
B. It communicates to the offspring how to reproduce.
O C. It teaches offspring how to build their own nests.
D. It helps attract a mate and produce offspring.

Answers

Answer:

your answer is  d i think

Explanation:

Answer:

It's A

Explanation:

I got it right, this one is the most logical one since the purpose of a nest is to keep the offspring warm as they grow and develop.

Hope this helps!!


6. What two places might a free-floating DA molecule end up?

Answers

is there any answer choices before i start answering ur question

Please help me ASAP thank you

Answers

1. the sun 2. decomposers 3. i’m not sure 4. photosynthesis

1.What is the different between pulmonary circulation and systematic circulation
2. What is the different between aerobic andanaerobic respiration?
3. What is the important of ATP?
4. Write the group blood lack of atigen and antibody respectively?
5. Why the left ventricles thicker than right ventricles?
6. What is the different between disinfectants and antiseptics?
7. Write the life cycle of tape worm?
8. What are the main differences between cholera and typhoid?
9. Write the reason for need classification.
10. Write the genus name and species name of Homosapiens respectively ​

Answers

1. We can see here that the difference between pulmonary circulation and systematic circulation:

Pulmonary circulation is the circulation of blood from the heart to the lungs and back to the heart. While systemic circulation is the circulation of blood from the heart to the rest of the body and back to the heart.

What is aerobic and anaerobic respiration?

2. Aerobic respiration is a type of respiration that requires oxygen. While anaerobic respiration is a type of respiration that does not require oxygen.

3. The importance of ATP is that it is used to power all of the body's cells, including muscle cells, brain cells, and heart cells.

4. The group blood lack of atigen and antibody:

Blood group   Antibodies        Antigens

A                                Anti-B            A

B                                Anti-A                  B

AB                                None         A and B

5. The left ventricle is thicker than the right ventricle because it has to pump blood to a larger area of the body.

6. The difference between disinfectants and antiseptics is that:

Disinfectants kill microorganisms on surfaces, while antiseptics kill microorganisms on living tissue.

7. The life cycle of a tapeworm begins when an infected animal sheds tapeworm eggs in its feces. If a human ingests these eggs, they hatch in the small intestine and the larvae burrow through the intestinal wall and travel to the liver, lungs, or brain. In these organs, the larvae mature into adult tapeworms.

8. The main differences between cholera and typhoid are:

Cholera is caused by the bacterium Vibrio cholerae, while typhoid is caused by the bacterium Salmonella typhi. Cholera is spread through contaminated water, while typhoid is spread through contaminated food or water. Cholera symptoms typically develop within hours of infection, while typhoid symptoms typically develop within days of infection.

9. The genus name for H0mo sapiens is H0mo and the species name is sapiens.

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If a heavy box represents a molecule which of the following represents passive transport in a cell

Answers

Answer:

um theres nothing there

Explanation:

Answer:

A

Explanation:

bc i got it right on a test :)

A certain species has little genetic variation the rapid extinction of this species would most likely result from the effects of

Answers

Answer:

Environmental change

Explanation:

A species that has little genetic variation cannot evolve (change) in response to variable environmental conditions because genetic variation is the raw material on which natural selection operates to select individuals. Adaptation to changing environmental conditions only can occur when there is variation (either genetic or phenotypic variation). In consequence, a species with low genetic variation is at a high risk of extinction, especially in challenging environments.

Grasses
Grasshoppers
Frogs
Hawks
Snakes
Decomposers
Which organisms in the food web shown above compete for the same
food source in this environment?

Answers

Answer:

Frogs and snakes.

Explanation:

I answered this question for another person, plus, this is the only reasonable answer.

Why would a rough, steep mountain habitat have a higher rate of speciation
than a large, open grasslands habitat? I will make u brainliest
A. The mountain has less variety in the environment.
B. The mountain would cause less fragmentation.
O C. The mountain has wider range of environments.
O D. The mountain has more resources.
SUBMIT

Answers

Answer:

I think the correct answer is A

Explanation:

Answer: C. The mountain has wider range of environments.

(12.02 MC)
Why are spines considered a physical characteristic adaptation in cactus?

Answers

white dense spines help reflect sunlight spines provide shade cacti stem is thick and fleshy to store lots of water stem has waxy waterproof coating to help keep water in the cacti

Which part of a seed acts as the food source for the seed as it grows underground?

Answers

The answer is a cotyledon

PLEASE HELP!!!
what protein is part of the basal lamina outside blood vessels, and activates platelets when they stick to it?
-hemoglobin
-collagen
-fibrinogen
-tissue factor​

Answers

Tissue factor, I think.

Cellular respiration and photosynthesis are similar in that both require
O A. glucose
B. membrane proteins
C. oxygen
O D. carbon dioxide
UBMIT
12

Answers

Answer:

If you can choose 2 your answers would be A.Glucose and C.Oxygen but if not try Oxygen.

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Introduction to Six Sigma: Other Process Improvement and Quality Methods] True or False: Jumpstart is a fast-paced method for identifying problems and solutions in a single session that can be used within other methods such as Rummler-Brache, Scrum, and TQM. Select one: a. True b. False Advertising that falls after or around in news media broadcasts is generally more expensive than that around other news pieces, meaning that news corporations make more money off of such pieces. a) war stories b) economic news c) stories about international genocide and other tragedies d) serious, political journalism e) lighter, entertainment or "infotainment" pieces Any sunk costs and financing costs should be considered when determining the cash flow of an investment project. O True False how would a nurse change the physical assessment when planning to assess the patient with dementia The mean age of bus drivers in Chicago is 48.7 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis There is not sufficient evidence to reject the claim 48.7 There is sufficient evidence to reject the claim = 48.7 There is sufficient evidence to support the claim p = 48 7 There is not sufficient evidence to support the claim = 48.7 The United States is home to some of the world's leading computer software companies, most of which commonly outsource software development to other countries, including Egypt, India, Ireland, Israel, Malaysia, Hungary, and the Philippines.1. Why do you think these countries became suppliers to the software industry?2. Do you think that development of the industry in these countries is a threat to companies in the United States? Explain.This week's discussion is based on material in Chapter 15 of the course eTextbook. You are encouraged to review the material before posting to the topic. Note the following: Cite your sources using APA style; include a Reference page entry and parenthetical citations. See the announcement titled "Discussion instructions - refer to throughout the semester" for additional APA citing resources. Please label your responses in your initial posting so it is clear which comments are intended for each part of the discussion. Your response to each question should be a minimum of 6 sentences long. You are a member of a geological team in Central Africa. Your team comes upon a wide river that is flowing east. You must determine the width of the river and the current speed (the speed of the water relative to the earth). You have a small boat with an outboard motor. By measuring the time it takes to cross a pond where the water isnt flowing, you have calibrated the throttle settings to the speed of the boat in still water. You set the throttle so that the speed of the boat relative to the river is a constant 6. 00 m/s. Traveling due north across the river, you reach the opposite bank in 20. 1 s. For the return trip, you change the throttle setting so that the speed of the boat relative to the water is 7. 40 m/s. You travel due south from one bank to the other and cross the river in 11. 2 s. Part 1: How wide is the river and what is the current speed?Part 2: With the throttle set so that the speed of the boat relative to the water is 6. 00m/s, what is the shortest time in which you could cross the river, and where on the far bank would you land? the nurse is caring for a patient who has just delivered a neonate. the nurse is checking the patient for excessive vaginal drainage. which precaution will the nurse use? Let f be a function defined on all of R, and assume there is a constant c such that 0 determine the number of moles of air present in 1.35 l at 750 torr and 17.0c. ideal gas law formula: pv = nrt(r = 62.396 ltorr/molk) which equation should you use? "Disuss function of management and the managemnt roles, important to the strategies partnership between GEELEY AND PROTON WITH EXAMPLE EACH." Predicate Logic ..... 14 marks In the following question, use the following predicates about beings eating different type of food: 1. E(x,y): 2 eats y 2. D(2): x is a donkey 3. C(x): is a carrot 4. H(*): x is hungry (a) (3 marks) Give all correct logic translations of the English sentence "Some donkey is hungry." A. Vz(D() + H(2)) B. 3x(D(x)) + H(x) C. Vx(D(2) A Hz)) D. Vx(D(x) V H()) E. 3x(D(2) A H(2) F. 3x(D(x) V H:)) G. -Vx(D(x) +-H(2)) H. None of the above. (b) (3 marks) Give all correct English translations of the formula Vr(EyE(,y) + 3z(E(2, 2) AC(z))). A. The only thing eaten are carrots. B. Everything that is hungry eats carrots. C. Everything that eats something must eat some carrot. D. Every donkey eats some carrot. E. Hungry donkeys eat some carrots. F. If something eats carrots, then it eats everything. G. If something eats everything, then it must eat carrots. H. None of the above. humans have, and have had in the past, great influence on the biological diversity in their surrounding environment as a result of: a. determine the number of electrons in a system of cyclic conjugation (zero if no cyclic conjugation). Given the following demand data,PeriodDemand155251358452561a. Compute a weighted average forecast using a weight of 0.4 for the most recent period, 0.3 for the next most recent, 0.2 for the next, and 0.1 for the next. (Round all your answers to two decimal points.) of the 8 disorders discussed, which is the only one that is caused by a missing piece of a chromosome, not an entire missing or extra chromosome? Suppose you purchase the July 2020 call option on corn futures with a strike price of $3.30. Assume you purchased the option at the last price of the day. Use Table 23.2. a. 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