Answer: Isaac
Explanation:
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Which of the following is a way that minerals are used?
a. industry
b construction
C technology
d. all of the above
Please select the best answer from the choices provided
A
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0 0 0
Answer:
D.
Explanation:
Taste action potentials move through cranial nerve number ____ to the brain.
Answer:
Cranial Nerve #9
Explanation:
Cranial nerve number 9 is also called the glossopharyngeal nerve. Taste perception is really cool I recomend studying this topic well!
Proteins provide a lot of functions for your body. Choose a function of proteins
A. long term energy
B. short term energy
C. build muscle, hair, and nails
D. genetic information
Which of the following show similarities between organelles and organs of the body?
Answer:
Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.
Explanation:
I need help with this one
PLS HELP WHAT SHOULD I WIRTE?)
Write your own acrostic poem using the word "THANKFUL". You can use words or phrases for each line. Make sure to write about what you are thankful for.
I need help with this answer it’s a bit tricky
Answer:
organic selection
Explanation:
What is carrying capacity? What factors could influence the carrying capacity of a population?
Answer:
Carrying capacity can be defined as a species' average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource rebound
Humans have increased the world's carrying capacity through migra:tion, agriculture, medical advances, and communication. The age structure of a population allows us to predict population growth. Unchecked human population growth could have dire long-term effects on our environment.tion
what are microorganisms?
Answer:
A microorganism is a living thing that is too small to be seen with the naked eye. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite.
All sugars are considered:
a carb
a fat
just sugars
a lipid
Answer: fat......................................
How and why does the surface of the earth change
of the earth has changed?
Answer:
How and why does the surface of the earth change
of the earth has changed?
It can be hard to describe change on the surface without bringing up the interior. Earth is a system of constantly changing interactions between interior, surface conditions, and external events.
Volcanoes bring up new material and even create land. The Hawaiian islands, for instance are a chain of volcanoes on the surface, but the underlying structure is a single magma plume. In a way, the entire chain of islands is a single volcano that breaks through different places as the crust moves over it.
On that note: plates. Earth is made of tectonic plates that constantly move. Some grind against one another, others collide, and some pull apart. Depending on direction and interaction, you get anything from mountains, to spreading valleys, oceans, and anything else you care to name. Mountains can almost be viewed as something akin to the ridges of build up ice on a window scraper.
Erosion by water, wind, sand, chemicals, and living things changes the surface too. Materials on the surface face an incredible number of forces breaking them down and dragging them away, even as those same forces in different places and situations deposit those materials in other places, building things back up.
“Stardust” is also a thing. Rocks, dust, debris, and all sorts of random, natural cra.,p is constantly hitting our atmosphere. Regardless of whether or not it stays mostly intact, some material breaks off, and most of it does tend to make it to the surface, adding tiny amounts of matter all the time. …of course something BIG enough hitting the surface can throw rocks and chunks of surface clear into space, so that’s a thing too.
Remember when I mentioned living things? Living things D.,IE! Gac.k! And when they do, they break down into organic gunk. Soil - the stuff we grow crops in - is basically minerals and dead things that are decaying into nutritious, yummy, dir.,t.
Weather changes things too. Rain erodes, but rain that soaks a rock, and then is frozen by low temperatures, breaks the rock. Too much rain can create flooding, which results in a lot of sediment moving downstream. Heat can dry things out, crack the ground, and even slowly cook one kind of soil into another. Lightning can make glass out of sand, snow can collapse weak ground, not enough rain can dry out ground that could si.nk down without the extra pressure, and too much rain can literally move mountainsides if enough water adds its weight to the rocks and dir.t.
It’s always changing, and there is always more complexity to go into when studying it. There’s seldom a single cause, or reason, or effect for anything.
Explanation:
Have a great day!
The surface of the earth is constantly changing.
Explanation:
Wind, water,and ice break down large rocks and move sediments on the surface. Some events, though, change earth's surface much more quickly. These include volcanic eruptions, earthquakes, and landslides.
Which of the following best describes how the amount of DNA in the cell changes during M phase?
The amount of D N A doubles as the D N A is replicated.
The amount of D N A slightly increases as a result of new organelle synthesis.
The amount of D N A does not change while the cell grows.
The amount of DNA is halved as the cell divides into two daughter cells.
Answer:
The amount of DNA doubles as the DNA is replicated
Explanation:
on the graph it shows that the DNA is x2 by the time it reaches G2
The amount of DNA is halved as the cell divides into two daughter cells. Therefore, option (D) is correct.
What is M phase?M phase, also known as mitosis, is the phase of the cell cycle in which a cell divides into two daughter cells. M phase is divided into several stages, including prophase, prometaphase, metaphase, anaphase, and telophase. During prophase, the cell's nucleolus disappears and the chromatids (replicated chromosomes) become visible. In prometaphase, the nuclear envelope breaks down and the mitotic spindle begins to form.
During metaphase, the chromosomes line up at the equatorial plane of the cell. In anaphase, the sister chromatids are separated and move to opposite poles of the cell. Finally, in telophase, two new nuclei form and a new cell wall begins to grow between the two daughter cells. Overall, M phase is a crucial step in the cell cycle that ensures the accurate segregation of genetic material to the daughter cells.
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3. The jar with a plant floating on it was placed on top of the table. What do you think is the plant inside the jar? A lotus B. lemon grass C. onion D. orchid
PLEASE I REALLY NEED THE CORRECT ANSWER RIGHT NOW!!!
The plant floating inside the jar is a lotus plant.
FREE-FLOATING PLANTS:Aquatic plants are plants that are adapted to survival in water. They can either be free-floating, submerged or attached to surfaces etc.
Free-floating aquatic plants are plants that suspend their leaves or other vegetative part on the water surface.
Examples of free-floating aquatic plants are water hyacinth, water Lily, water lotus etc. Therefore, the plant being described to float in the jar of water is likely a lotus plant.
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If distance equals speed multiplied by time,
then how far does a sound travel if it has a speed
of 330 m/s, and travels for 10 seconds? Be sure to
give an answer with units.
Answer:
3300 meters
Explanation:
so the formula is in the questtion
distance=speed*time
so distance=330*10
to get the units you have to look to see that the only unit that is a distance is meters
hope this helps!
Crabgrass, also known as digitaria sanguinalis, is a stationary multicellular species that belongs to kingdom Plantae. According to the table below which of the following species is most closely related to digitaria sanguinalis?
Answer:
Quercus
Explanation:
Which process in the cell cycle could lead to a cancerous cell?
Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor
Explanation:
The β chains of HbA and HbS were treated with trypsin, and the sequence of the N-terminal tryptic peptides are as given below. Do these peptides separate from each other in an electric field if the pH is 7.0? Explain in detail the reasoning behind your answer and include your calculations for the charge of each peptide in your answer.
HbA: Val-His-Leu-Thr-Pro-Glu-Glu-Lys
HbS: Val-His-Leu-Thr-Pro-Val-Glu-Lys
Yes The two peptides will separate from each other in an electric field when the pH is 7.0
The two peptides wil drift/separate from each other when the pH is 7.0 because of the reaction of trypsin enzyme and also the difference in charge between HbA and Hbs
Considering charge of each peptide
Since The isoelectric point of normal Hba is 6.9 and Hbs possess two fewer negative charges per hemoglobin molecules
The Hbs is more hydrophobicity than HbA due to the substitution of glutamic acids of HbS by valine residue.
Considering Electrophoresis
At a lower pH level Hbs shows a slower moving band than Hba
while a higher pH level the HbS peptide is less negatively charged while the carboxyl group of HbA is more negatively charged and Hba moves faster as well as an acidic pH.
Hence we can conclude that the two peptides will separate from each other in an electric field when the pH is 7.0
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our atmosphere contains 78% free
Answer:
nitrogen
Explanation:
the components of every food chain are
Answer:
Explanation:
A food web consists of several components; primary producers, primary consumers, secondary consumers, tertiary consumers, and so on. Primary producers include green plants and are the foundation of the food web.
Answer:
hope the above picture helps
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4. How does the life of a sperm cell vary among the mosses, ferns, gymnosperms and angiosperms?
Answer:
They evolved on land to begin with from earlier now extinct groups groups so there was no need to adapt to life on land, other than to adapt to different terrestrial environmental pressures. Land can be everything from next to a river to a hot desert to rocks to Antarctica, and plants grow in all those places.
As well, there are thousands of species that are floating aquatics or submerged aquatics, including many ferns, and even some gymnosperms grow as marginals, and many species of angiosperms, mosses, ferns, and even some gmnosperms grow as epiphytes, or as parasites, or other ways.
Consider the fact that cancer is most easily defeated when it is found early, and then consider the time and expense involved in diagnosing a potential case of cancer.
Answer:
Early diagnosis of cancer focuses on detecting symptomatic patients as early as possible so they have the best chance for successful treatment. When cancer care is delayed or inaccessible there is a lower chance of survival, greater problems associated with treatment and higher costs of care.
Explanation:
Simone is creating a model to track the movement of carbon atoms in an ecosystem. Which statement best explains the role of plants in Simone's model?
Although I cannot see the model for Simone's experiment, I can offer the insight that the most likely role of plants in the model is that they consume the carbon atoms and produce oxygen.
How do plants affect the carbon in the atmosphere?Plants are known to have a great effect on the carbon levels of the atmosphere. The correlation is that the more plants are present, the less carbon is free in the air. The reason for this is that plants use carbon dioxide as a substrate to manage the process of photosynthesis.As a by-product, after consuming carbon dioxide and completing photosynthesis, plants release oxygen into the atmosphere.Therefore, we can confirm that the most likely role of plants in the model created by Simone, is that they will consume carbon atoms in the form of carbon dioxide in order to sustain photosynthesis, which releases oxygen.
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If human activity continues at its present rate, what will probably happen to the levels of carbon dioxide and other gases?
One important function of bones is to produce ……………….
Answer:
Red blooded cell, White blooded cell and platelets
What does PONCH stand for?
phosphorus, oxygen, nitrogen, carbon, and hydrogen
phosphate, oxygen, nickel, carbon, and hydroxide
pulmonate, oxygen, sodium, calcium, and helium
phosphate, oxygen, nitrogen, carbonide, and hydrogen
Answer:
PONCH stands for : phosphorus, oxygen, nitrogen, carbon, and hydrogen.
Did you know that your bum can make three states of matter? Solid, Liquid, ad Gas
Answer:
Nope
Explanation:
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
Nope
The ___________________ contains receptors for monitoring the position of the head.
Answer:
Vestibular Receptors
Explanation:
Located in the ear, only in the ear. When you are talking about position of other body parts this is called proprioceptors (sense positions of like arms, legs and other body parts).
Which statement best identifies a central idea of this text?Issues with the Articles of Confederation"
A good example of a positive feedback mechanism would be
(select all
that apply)
A. breast feeding
B. regulating glucose levels in the blood C.enhancement of labor contractions during parturition
D. blood clot formation
E.body temperature regulation
F. blood calcium level regulation
Answer:
enhancement of labor contractions during parturition
Pleaseeee someone help me . What is the half life of Caron 14 of this problem ???
Answer:
5730 years
Explanation:
In a chemical reaction, including radioactive decay, the half-life of a species is the time taken for the substance to decrease to exactly one-half its initial value.
For a first-order reaction, the half-life of the reactant is
[tex]t_{\frac{1}{2}} \ = \ \displaystyle\frac{\ln 2}{\lambda} \ \ \ \ \ \ (1)[/tex],
where λ is the reaction's rate constant modeled by the differential equation describing the kinetics of a first-order reaction
[tex]N \ = \ N_{0}e^{-\lambda t} \ \ \ \ \ (2)[/tex],
where N is the remaining amount of substance after time t and [tex]N_{0}[/tex] is the initial amount of substance before the chemical reaction proceeds.
Since the value of λ is constant, rearrange equation (1) with λ as the subject,
[tex]\lambda \ = \ \displaystyle\frac{\ln 2}{t_{\frac{1}{2}}}[/tex].
Given that only 12.5% of carbon-14 remained after 17190 years assuming that initially there was 100% of carbon -14, substitute in the values into equation (2) and solve for λ (make λ the subject of the equation),
[tex]\-\hspace{0.56cm}12.5 \ = \ 100e^{-\lambda \times 17190} \\ \\ \-\hspace{0.5cm} \displaystyle\frac{12.5}{100} \ = \ e^{-17190\lambda} \\ \\ \displaystyle\frac{\ln\displaystyle(\frac{1}{8})}{-17190} \ = \ \lambda \\ \\ \-\hspace{1.05cm} \lambda \ = \ \displaystyle\frac{3\ln2}{17910} \ \ \ \ \ \ \ \ \ \ (\ln \displaystyle\frac{1}{x} \ = \ -\ln x\ ; \ \ln x^{n} \ = \ n\ln x )[/tex]
Equate both λ,
[tex]\displaystyle\frac{\ln 2}{t_{\frac{1}{2}}} \ = \ \displaystyle\frac{3\ln2}{17190} \\ \\ \-\hspace{0.26cm} t_{\frac{1}{2}} \ = \ \ln 2 \ \times \ \displaystyle\frac{17190}{3\ln2} \\ \\ \-\hspace{0.26cm} t_{\frac{1}{2}} \ = \ \displaystyle\frac{17190}{3} \\ \\ \-\hspace{0.26cm} t_{\frac{1}{2}} \ = \ 5730[/tex]
*Note that the above calculations demonstrated that carbon-14 went through 3 half-lives to yield a remaining 12.5% of its original amount, since
[tex]100\% \ \overset{t_{\frac{1}{2}}}\longrightarrow \ 50\% \ \overset{t_{\frac{1}{2}}}\longrightarrow \ 25\% \overset{t_{\frac{1}{2}}}\longrightarrow \ 12.5\%[/tex].
Therefore, if n is the time taken for carbon-14 to half its initial amount trice to remain 12.5% of its initial amount. Then, the half-life of carbon-14 is [tex]\displaystyle\frac{n}{3}[/tex].