The correct answers are, the oil floats on the surface of the water and it spreads to cover the water surface.
Properties of oil
Oil is a liquid substance that can be described with the following properties;
Oil is less dense than water, which means it will float in waterOil has high viscosity, and with the help of surface tension of water it will spread in water.Thus, the correct answers are, the oil floats on the surface of the water and it spreads to cover the water surface.
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17. What is meant by the transition interval of an indicator?
The pH range over which an indicator alters the color defines the transition interval of an indicator.
What do you mean by Transition?A Transition may be defined as a condition or process where one state of a compound changes into the other.
A Transition interval is a point where the color of indicators may change. For example, Phenolphthalein changes pink from colorless at a pH of 8-10. So, this point is called the transition interval.
Therefore, the pH range over which an indicator alters the color defines the transition interval of an indicator.
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what is the meaning of extincion?
Extinct: (of a species, family, or another group of animals or plants) having no living members; no longer in existence.\
Extinction: the fact or process of a species, family, or another group of animals or plants becoming extinct.
How is the biosphere interacting with the hydrosphere and geosphere in this river?
The biosphere interacts with the hydrosphere and geosphere in this river by drawing water and nutrients from there for their survival.
What is Biosphere?This is referred to the part of the Earth where different life forms exist and is also known as ecosphere.
Plants get nutrients from the geosphere while organisms derive water from the hydrosphere.
The correct question is:
How does the biosphere interact with the hydrosphere and geosphere in a river?
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what is the purpose of life? 0ω0
Answer:
Live, Laugh, Love ♡
Have a blessed day! ^^
(yes I'm being one of those cheesy ppl that says that )
Answer
"The meaning of life is to find your gift. The purpose of life is to give it away"-Pablo Picasso
Explanation:
Whats a independent variable and dependent varivle
Answer: The independant variable is what you change on purpose in the expirament and the dependant is the outcome of the expirament
Explanation:
Answer:
The dependent variable is the one thing that stays the same throughout the experiment.
The Independent variable is the one thing that changes in the experiment.
Example: You are measuring how far a marble will roll off of a ramp. The marble and distance is the dependent variable. The height of the ramp is the independent variable because you change the height every test
Explanation:
1.
Fossil records are all the fossil on Earth.
Answer:
That is not true because there could still be fossils that a paleontologist hasn't yet uncovered.
Explanation:
Hope this helps....if not then sorry for wasting your time and may God bless you
1. What are the similarities between all cells?
Answer:
Similarities between all cells.
*All cells contains a cell membrane.*All cells have a vacoule.*All cells contains cytoplasm.Hope it helps.What would happen if eardrum is damaged ?
Answer:
A ruptured eardrum can result in hearing loss.
Explanation:
your middle ear can also be more prone to infections A ruptured eardrum usually heals within a few weeks without treatment (i got help from mayoclinic.com)
Answer:
You would not be able to hear as well, or, a damaged eardrum can even lead to hearing loss.
The water in vegetables evaporates over time causing the vegetables to wilt. Why do grocery stores spray water on their vegetables?.
Answer: For aesthetic reasons and to charge extra.
Explanation: Shoppers are more drawn to vegetables with water because they look more hydrated and “fresher”. Vegetables absorb moisture, so they will weigh more, therefore shops can charge more.
For a fictional neuron, the nernst potential of the mg2+ ion is +30 mv. given this information, where is the ion more highly concentrated? mg2+ is at a higher concentration inside the cell mg2+ is at a higher concentration outside the cell there is not enough information to determine the answer unanswered
From the nernst potential given, the mg2+ ion is at a higher concentration outside the cell.
What is nernst potential?
The potential across the cell membrane that exactly opposes net diffusion of a particular ion through the membrane.
The nernst potential of an ion is calculated as follows;
[tex]E = \frac{RT}{zF} ln[\frac{ion \ outside \ cell}{ion \ inside \ cell} ][/tex]
The given nernst potential of mg2+ ion is +30 mv = +0.03 V, (positive volt).
A positive log can only be obtained when the numerator (ion outside cell) is greater than the denominator (ion inside cell).
Thus, from the information given, the mg2+ ion is at a higher concentration outside the cell.
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what is a Bcell?
A. An antigen that makes antibodies
B. A lymphocyte that makes antibodies
C. A pathogen that makes antigens
D. A virus that makes bacteria
Answer: B
Explanation:
B cells are A type of white blood cell that makes antibodies. B cells are part of the immune system and develop from stem cells in the bone marrow they are also called B lymphocytes
Which brain structure relays incoming sensory information.
The thalamus is an egg-shaped structure in the middle of your brain that acts as a relay station of all incoming motor (movement) and sensory information — hearing, taste, sight and touch (but not smell) — from your body to your brain
The thalamus in your brain functions as a relay point for information. Your thalamus is required to digest all of the information coming in from your senses (with the exception of your sense of smell) before it can be transmitted to the cerebral cortex of your brain for interpretation.
In addition, the thalamus contributes to the processes of sleeping, waking, being conscious, learning, and remembering.
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Need help answering packet
why is mushroom kept in kingdom fungi
please fast answer please
Answer:
Because mushrooms are a type of fungi they're basically fungi
Explanation:
n this experiment the bag contains a hypertonic solution (sucrose), while the beaker only contains water. If you leave the bag inside of the beaker for approximately 45 minutes; the movement of water will occur from the ________ to the _________.
The water will move from beaker to the bag of sucrose due to concentration difference.
In which direction the water will move?The movement of water will occur from the beaker to the bag because the concentration of water is lower in the bag and higher in the beaker. So due to the process of diffusion, the water will move from the higher concentration region to lower concentration region.
So we can conclude that the water will move from beaker to the bag of sucrose due to concentration difference.
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Which of the following is NOT a
place that releases enzymes for
digestion?
A. mouth
B. stomach
C. intestine
D. esophagus
Answer: D. esophagus
Explanation: Because esophagus uses muscles and does not use enzymes to digest. It only transports food to the stomach and then goes further into the digestive system.
Through transpiration, water is released
back into the atmosphere through the
plant's?
Answer:
Yes!
Explanation:
The process in which, water is evaporated from plant parts ( leaves and sometimes stem ) into the atmosphere, is called transpiration.
hope it helps..
please mark brainliest
Answer: Yes
Explanation:
Which of these is made up of organs?
Choose 1 answer:
(A) a cell
(B) an organ system
(C) a tissue
Answer:
Organ System
Explanation:
A group of cells make a tissue.A group of tissues make an organOrgans combined together form an organ system.An organ system is made up of organs.
What are organ systems?An organ system is a biological system consisting of a group of organs that work together to perform one or more functions. Each organ has a specialized role in a plant or animal body, and is made up of distinct tissues.
Moreover, the 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.
Hence, they are Integumentary System, Skeletal System, Muscular System, Nervous System, Endocrine System, Cardiovascular System, Lymphatic System, Respiratory System, Digestive System, Urinary System, and Reproductive System (Female and Male).
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HELP ME FAST PLSS
The sun's energy is transferred through a vacuum of space to earth. What kind of heat transfer is this?
conduction
radiation
convection
electromagnetic radiation
Conclusions 2. Two new species of plants were introduced into an area that was low in available nitrogen compounds in the soil. One formed nodules and one did not. Which species would you expect to grow more robustly? Explain. (4 points) Answer here..
Answer:
The one forming nodules would grow better.
Because it may be a leguminous plant.
Rhizobium bacteria will reside in the root nodules and fix atmospheric nitrogen for these plants by symbiotic relation.
They will fix nitrogen in the soil and increase soil nutrient quality.
how does diffusion helps in absorption of minerals by roots????
Answer:
The soil water enters from the higher concentration to the lower concentration by the process of diffusion.
Pls HELP ASAP !!!!!!!
short debate of the ten percent plan and the Wade Davis Bill
Answer:
a
Explanation:
Current understandings of cell membranes incorporate the __________________________ model, where a flowing, phospholipid "sea" contains mobile glycolipids, sterols, and proteins.
Select one:
a. expanding balloon
b. quilt
c. temperature filtering
d. fluid mosaic
Social networks and the reciprocal norms associated with these networks that encourage people to do things for each other are known as a. social capital. c. networking. b. state capitals. d. the digital divide. please select the best answer from the choices provided a b c d
Social networks and the reciprocal norms which are associated with these networks and encourages people to do things for each other is: A. social capital.
What is social capital?Social capital can be defined as the social networks and the reciprocal norms which are associated with these networks, and it is designed to encourage people to do things for each other.
This ultimately implies that, social capital is a network of relationships existing between people who live and work in a specific society, which enables it to function effectively and efficiently.
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Bacteria are
genetically modified
to grow...
A. crops to farm.
B. insulin and human growth hormone.
C. ingredients for make up products.
D. growth media for microbiology.
Answer:
B.
Explanation:
Have a nice day :),and hope this helps
Answer: B. insulin and human growth hormone.
Explanation:
Life system: cyanobacteria begin photosynthesis and produce oxygen. Earth system: free oxygen reacts with rocks (axidation), resulting in increased rates of weathering for soil
production. Life system: land plants evolve and take root in terrestrial soil.
O Life system: cyanobacteria begin photosynthesis and produce oxygen. Earth system: free oxygen reacts with all available dissolved iron in the ocean. Life system: mass extinction
event of anaerobic organisms occurs from buildup of oxygen in the ocean.
• Earth system: oxygen moves from the ocean to the atmosphere through gas exchange. Earth system: free oxygen reacts with incoming solar radiation to form ozone. Earth system:
ozone collects in the stratosphere to form the protective ozone layer.
O Earth system: molten Earth forms into layers based on density and pull of gravity. Earth system: Earth cooled, and the water vapor in the atmosphere condensed and created the
oceans. Life system: cyanobacteria evolved.
The cyanobacteria were already there without the oxygen, so that rules out A, and a lot of prokaryotes were anaerobic, so that rules out Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it.
What is photosynthesis?Photosynthesis is a process that occurs in the chloroplast organelle of plant cells. The typical light reaction of photosynthesis takes place inside the thylakoid membrane of the chloroplast. The chief reactants such as water and carbon dioxide participate in the reaction. The water gets oxidized in the reaction to release oxygen as a product. The carbon dioxide gets reduced.
Thus, Photosynthesis is a process that occurs in the chloroplast organelle of plant cells
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which type of drosophila probably changed the least over time?
The type of Drosophila that probably changed the least over time is the Drosophila melanogaster.
What do you mean by Drosophila?A Drosophila may be defined as a fruit fly that serves as one of the most important model organisms in the field of biological sciences due to its large chromosomes, high reproduction rate, and various varieties.
As compared to Drosophila willistoni, Drosophila equinoxialis, Drosophila equinoxialis caribbensis, etc. Drosophila melanogaster changed very least over time after analyzing its evolutionary pathway.
It is because it may consist of a large chromosome but a simple arrangement of genes, its well-specified segment polarity genes, pair-rule genes, and maternal effect genes.
Apart from this, it may also be because of less natural selection applied to Drosophila melanogaster.
Therefore, the type of Drosophila that probably changed the least over time is the Drosophila melanogaster.
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How do you know there’s is DNA in fruit
Answer:
It is a plant
Explanation:
took the test
What does it mean for a cell to be
undifferentiated?
A. It just went underwent mitosis and is awaiting instructions.
B. It is not yet specialized and has the potential to become any type
of cell.
C. It has lost its DNA and has no instructions.