Answer:
Water is drawn to water due of its cohesion.
Water is drawn to other substances due to its adhesion.
Explanation:
Surface tension on water is created by cohesion, which binds hydrogen bonds together. Adhesive forces drive water toward other molecules because water is attracted to them.
Adhesion is what distinguishes a water drop from a droplet. Water has a high degree of cohesion—it has the highest cohesion of all the nonmetallic liquids. While water's cohesive properties cause it to stick together and form drops, chemistry and electricity are also involved at a more detailed level in order for this to be possible.
Cohesion and adhesion are properties of water that involve its molecular interactions. Hydrogen bonding between water molecules causes cohesion, which causes surface tension and vigorous liquid column movement in plants. As opposed to capillary action, which allows water to ascend confined tubes defying gravity, adhesion is the attraction between water molecules and other things.
Cohesion in water arises from the hydrogen bonds formed between its molecules. These bonds create a strong attraction, causing water molecules to stick together. This phenomenon results in high surface tension, allowing some insects to walk on water and water droplets to form beads. Cohesion also contributes to the movement of water through plants, as it enables water to be pulled up the plant's vascular system against gravity in a process called transpiration.
Adhesion, in the context of water, refers to the attraction between water molecules and other substances, such as the walls of a narrow tube. This property allows water to climb up thin tubes, even defying gravity, through capillary action. This process is seen in plants, where water is drawn up from the roots to the leaves, providing essential nutrients. Both cohesion and adhesion play vital roles in water's movement and distribution in the natural world.
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Help!!
How did reduced methane concentrations in the atmosphere affect Earth?
Earth warmed.
Earth cooled.
Volcanic activity decreased.
Volcanic activity increased.
Answer:
Earth cooled
Explanation:
Here are all the answers for that quick check:
1. Which option orders the events chronologically, from earliest to latest.
Answer: Single-celled organisms increase atmospheric methane concentrations. Photosynthesizing bacteria release oxygen into the sea. Oxygen concentrations increase in the atmosphere. Many new animal species evolve.
2. Which forms of life were dominant in the Mesozoic era?
Answer: Reptiles
3. How did the success of photosynthetic bacteria change Earth’s atmosphere?
Answer: increased oxygen concentration
4. How did reduced methane concentrations in the atmosphere affect Earth?
Answer: Earth cooled.
5. Which characteristic defines the Paleozoic era?
Answer: Animals with shells and hard parts were dominant for the first time.
You're welcome.
Answer:
Earth cooled.
Explanation:
The reduced methane concentrations in the atmosphere affect Earth :
Particles of gas and dust released into the atmosphere during a volcanic eruption affect the climate. Most of the particles emitted by the volcano cool the planet by blocking incoming solar radiation. The cooling effect can last from months to years, depending on the nature of the eruption.Therefore, the Earth is cooled.
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Which choice would have the smallest impact on climate change when purchasing apples at the store?
Answer: Varies
Explanation:
Something that comes to mind would be if a customer buyed a plastic bag after purchasing the apples.
Examine the model here showing the Milky Way galaxy. Which statements are accurate regarding the galaxy? Select all THREE that
apply.
Answer:
lame answer
Explanation:
In respiratory system, most of the dirt/ microbes in the air are trapped by
Answer:
Cilia propel a liquid layer of mucus that covers the airways. The mucus layer traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
What is the difference between diffusion and osmosis?
What makes a membrane semipermeable?
What characteristics of a molecule affect whether it can pass through the plasma membrane of a cell?
In the simulation, when protein molecules were evenly distributed on both sides of the membrane, was the solution isotonic, hypertonic, or hypotonic?
Which direction was water flowing?
In the simulation, when protein molecules were more highly concentrated on the inside of the cell than outside of the cell, was the solution isotonic, hypertonic, or hypotonic?
Which direction was water flowing?
Why is it important that the plasma membrane surrounding cells is semipermeable?
What would happen if it were not semipermeable?
1) Diffusion : Is the movement of molecules / ions from a region of higher to lower concentration. It may or may not occur across a semi permeable membrane.
In diffusion there is no challenge involved as it is along the concentration gradient, but in active transport movement of molecules occur against concentration gradient ie; from lower to higher concentration.
2) For active transport, energy is vital for movement, in this case protein molecules function as molecular pumps to enable the cell accumulate glucose/ions, against concentration gradient. Here metabolic energy ATP is required.
3)Facilitated diffusion is a type of passive transport in which ions/molecules cross the semi permeable membrane because permeases present in the membrane facilitate the transport.
Like simple diffusion facilitated diffusion doesn't require metabolic energy and simply occurs across the concentration gradient.
4) Osmosis : is movement of water from hypotonic solution (lower concentration) to hypertonic solution (higher concentration) through a semi permeable membrane.
The cell membrane being permeable to water allows to and from movement of water molecules along the concentration gradient.
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Your answers may vary, but these sample answers are a model to follow.
Diffusion is the process of a substance moving from an area of high concentration to an area of lower concentration. Osmosis is a type of diffusion where water moves across a semipermeable membrane still from an area of high concentration of water to an area of lower concentration of water. This corresponds to water moving from an area with a low concentration of solute to an area with a higher concentration of solute.
A semipermeable membrane allows some substances to pass through it.
The plasma membrane of a cell allows small uncharged molecules to pass through it, but not large molecules and not charged ions.
The protein molecules were evenly distributed on both sides of the membrane, so this solution was isotonic.
In an isotonic solution, water moves both in and out of the cell, which was observed in the simulation.
The protein molecules were more highly concentrated on the inside of the cell, so this solution was hypotonic.
In hypotonic solutions, water moves into the cell to help dissolve the higher amount of solute inside the cell, which was observed in the simulation.
A semipermeable cell membrane is important to allow some molecules, like proteins, to be more highly concentrated inside the cell than outside the cell. If the cell membrane were permeable, the molecules on the inside of the cell would exit the cell and be evenly distributed in the cell and in its environment.
If the cell membrane were not permeable at all, the cell would not be able to receive nutrients from its environment.
Diffusion and osmosis has one difference which is the presence of semi-permeable membrane.
What is the difference between diffusion and osmosis?Diffusion is the movement of particles from an area of higher concentration to one of lower concentration while on the other hand, osmosis is the movement of particles from a semipermeable membrane.
Cell membrane is selectively permeable which only allows some molecules inside the cell because of its structure. So we can conclude that diffusion and osmosis has one difference which is the presence of semi-permeable membrane.
When protein molecules were evenly distributed on both sides of the membrane, the solution will be isotonic because of the same quantity on both sided. There is no movement of water in the body.
When protein molecules were more highly concentrated on the inside of the cell than outside of the cell, the solution will be hypotonic because of the less amount of water in the body.
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Answer:
- 1). Diffusion is the process of a substance moving from an area of high concentration to an area of lower concentration. Osmosis is a type of diffusion where water moves across a semipermeable membrane still from an area of high concentration of water to an area of lower concentration of water. This corresponds to water moving from an area with a low concentration of solute to an area with a higher concentration of solute.
- 2).
a). A semipermeable membrane allows some substances to pass through it.
b). The plasma membrane of a cell allows small uncharged molecules to pass through it, but not large molecules and not charged ions.
- 3).
a). The protein molecules were evenly distributed on both sides of the membrane, so this solution was isotonic.
b). In an isotonic solution, water moves both in and out of the cell, which was observed in the simulation.
- 4).
a). The protein molecules were more highly concentrated on the inside of the cell, so this solution was hypotonic.
b). In hypotonic solutions, water moves into the cell to help dissolve the higher amount of solute inside the cell, which was observed in the simulation.
- 5).
a). A semipermeable cell membrane is important to allow some molecules, like proteins, to be more highly concentrated inside the cell than outside the cell. If the cell membrane were permeable, the molecules on the inside of the cell would exit the cell and be evenly distributed in the cell and in its environment.
b). If the cell membrane were not permeable at all, the cell would not be able to receive nutrients from its environment.
An island experiences a decade long drought which causes a die off of several plant species. The only plants that survive have extremely small seeds with less nutritional value. Parrots which live on the island and eat seeds are more likely to survive and successfully reproduce if they are smaller since smaller body size requires less calories. Over the course of the decade, the average body size of the parrot population decreases. Which of the following statements below are correct?
a. The parrot population has evolved.
b. This is an example of genetic drift.
c. This is an example of directional selection.
d. This population meets the conditions for the Hardy Weinberg equilibrium.
e. This is an example of stabilizing selection.
f. This is an example of natural selection.
Answer:
A and f
Explanation:
The right and left coronary arteries are the first branches off the a. aorta. b. superior vena cava. to. pulmonary trunk. d. pulmonary veins. g
Answer:
answer is A aorta
Explanation:
aorta is the answer
Why is the myelin sheath so important for sending signals throughout our body
Answer:
Myelin can greatly increase the speed of electrical impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length. Myelin damage causes several neurological diseases, such as multiple sclerosis.
Explanation:
this is the correct answer happy
As a cell becomes smaller, it’s surface area-to-volume ratio…
Answer:
DECREASES
Explanation:
What is sun ? Pls answer me
The Sun is a star. It is a huge, spinning, glowing sphere of hot gas. The Sun is just like the stars that you see in the night sky. ... The Sun is the center of our Solar System and contains most of the mass in the Solar System. All of the planets in our Solar System, including Earth, orbit around the Sun.
Answer: The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy mainly as visible light and infrared radiation.
Explanation:
Which habitats are the most common on you neighboorhood? Why do you think this is so?
During replication, the genetic material of an organism has developed an error which is now part of the genome in its gamete cells. What is the most likely result of this mutation?
(A) Its offspring will inherit a new set of genetic material each generation.
(В) Its offspring will inherit the mutation if it does not prevent reproduction.
(C) Its offspring will revert to the genetic material of an evolutionary ancestor.
(D) Its offspring will revert to the original genetic material from the previous generation.
Answer:
B please mark brainliest if correct
Explanation:
How do endocrine glands send messages to other organs?
Answer:
Endocrine glands make chemicals called hormones and pass them straight into the bloodstream. Hormones can be thought of as chemical messages. From the blood stream, the hormones communicate with the body by heading towards their target cell to bring about a particular change or effect to that cell
When an unbalanced force acts on an object, in which direction does the object
move?
The object moves in the direction of the net force.
The object moves in the direction of the smaller force.
The object moves in the opposite direction of the unbalanced force.
The object moves in the direction of the unbalanced force.
Answer:
Explanation:
The object moves in the direction of the net force. It depends on what you have been told. I would say that A is the correct answer.
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A
Both the forces shown above are unbalanced. But the object will not move in the direction of either of them. The net force is somewhere between the two given forces and that's the direction of the motion.
25. Which one of the following epithelial tissues lines blood capillaries?
A. Cuboidal tissue
5. Whigh
B. Squamous tissue
C. Columnar tissue
D. Glandular tissue
What aspect of a muscle cell
allows movement in the body?
A. its shape is short and blunt
B. fibers within the cell move back and forth
allowing the cell to stretch and shrink
C. there are no organelles which allows it to
move easier
Answer:
B
Explanation:
Nearly all movement in the body is the result of muscle contraction.
For hypertrophy to occur in skeletal muscle fibers, which subcellular changes must be seen in a muscle cell?
Answer: at here is selective hypertrophy of type 1 fibers
I think is has something to do with enhancing the strength within the muscle by increasing the number of contractile myofibrils
What is photosynthesis?
josephconingco10! Please help :)
in simple,
Preparation of food by plant is called photosynthesis.
a skateboard with unbalanced forces. A bicycle with balanced forces
Answer:
bicycle I may be wrong sorry
The answers are
A: Cholesterol
B:
Integral protein
C: Glycolipid
D: Glycoprotein
Answer:
sis / bro
whats the question pls type in the comment of mine and i will say the answer
The processes by which a molecule can be extracted and processes by which a molecule can be isolated
Answer:
Extraction is the first step to separate the desired natural products from the raw materials.
solvent extraction, distillation method, pressing and sublimation
Isolation can be achieved from polyherbal formulation but it will be rather difficult and would involve complex purification steps .
Explanation:
Have a great day!
Hey, I need help with this question:
Answer:
CNN
Explanation:
Which color reflects heat radiation the best? Red
Blue
White
Answer:
White
Explanation:
Help please, am I even doing this right?
Answer:
Looks good to me :)
Explanation:
8. An elevated ridge is located in the Indian Ocean. In the middle of the ridge underwater volcanoes and mild
earthquakes occur. Continents on one side of the ridge are moving away from continents on the other side of
the ridge. Which of the following best describes the tectonic activity occurring along the ridge?
A. Two ocean plates are sliding past each other.
B. An ocean plate is subducting under another ocean plate.
Two ocean plates are moving away from each other (diverging).
Ď. Two continental plates are moving away from each other (diverging).
Answer:
A
Explanation:
Can someone fill in the blank thank you will give brainliest
Answer:
gene and protein
Explanation:
The first blank is a gene the second one is protein
define newtons first law
tell this answer fast hcscteoxnp bebrainly
Answer:
Newton's first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.
photosynthesis and cellular respiration scientific principles
Explanation:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration.
PLS HELP ME
In 3-5 sentences, describe the advantages and disadvantages of these maps in modeling mitosis.
Answer:
Explanation:
you haven't put the image, however mitosis is the splitting of one cell into two identical daughter cells (duplicating the DNA) - hope this helps!
Plants use these ______ as food for growth, maintenance, reproduction
Answer:
Explanation:
Fertilizers