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soldi70 [24.7K]
2 years ago
5

What caused by greenhouse gases? A. the hole in the ozone layer is decreasing B. global warming C. temperature decrease D. weath

er patterns remaining stable
Biology
1 answer:
Anvisha [2.4K]2 years ago
5 0

Answer:

A the hole in the ozone layer is decreasing

B

Explanation:

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What evidence do paleobotanists look for that indicates the movement of plants from water to land?
attashe74 [19]

The evidence that paleobotanists look for that indicates the movement of plants from water to land is the possession of waxy cuticle to decrease evaporation from leaves.

<h3>What are some adaptations of plants on land compared to water?</h3>

Plants possess various adaptive features which enables them to survive on land or in water.

Plants that are found in water are known as aquatic plants. They possess features which enable them to get rid of excess water as well as to stay afloat on water. For example, their leaves are waxy to enable them remain afloat.

Plants found on land are terrestrial plants and possess features that enable them survive on land. They possess features which prevent excessive water loss such as waxy cuticle.

Therefore, the evidence that paleobotanists look for that indicates the movement of plants from water to land is the possession of waxy cuticle to decrease evaporation from leaves.

In conclusion, plants show adaptations as they moved from water to land.

Learn more about adaptations in plants at: brainly.com/question/13052054

#SPJ4

7 0
1 year ago
the nutrients in foods perform functions in the body, what are they and briefly describe the nutrients involved in these functio
Ludmilka [50]

Answer:

The human body needs a list of macromolecules and micromolecules for performing day to day functions.

The essential macronutrients that the body requires are:

Carbohydrates: Carbohydrates are required by the cells in the body to carry out normal day to day functions. Energy is provided in the form of calories by the carbohydrates.

Proteins: Proteins are essential nutrients which are required for growth as well as better functioning of the immune cells of the body.

Fats and oils: These are needed for providing insulation to the body and to store energy.

Fibres: These are a mixture of carbohydrates.

Water: Almost every activity of the body requires water.

The essential micronutrients that the body requires are:

Vitamins: Vitamins are a group of substances which are needed by the body to function normally.

Minerals: Mineral are needed to ensure that tissues are working correctly.

7 0
3 years ago
Using the table, which statement is true?
kirza4 [7]

Your answer would be B.

8 0
3 years ago
Can you describe how the motion and relative positions of the Earth, the Moon, and the Sun affect tides?
Strike441 [17]
<span>"The moon is a major influence on the Earth’s tides, but the sun also generates considerable tidal forces. Solar tides are about half as large as lunar tides and are expressed as a variation of lunar tidal patterns, not as a separate set of tides. When the sun, moon, and Earth are in alignment, the solar tide has an additive effect on the lunar tide, creating extra-high high tides, and very low, low tides."
- oceanservice

Hope that helps!!</span>
5 0
3 years ago
In which case would facilitated diffusion be needed?
melomori [17]

Answer:

The voltage-gated potassium channels associated with an action potential provide an example of what type of membrane transport?

A. Simple diffusion.

B.<u> Facilitated diffusion. </u>

C. Coupled transport.

D. Active transport.

You are studying the entry of a small molecule into red blood cells. You determine the rate of movement across the membrane under a variety of conditions and make the following observations:

i. The molecules can move across the membrane in either direction.

ii. The molecules always move down their concentration gradient.

iii. No energy source is required for the molecules to move across the membrane.

iv. As the difference in concentration across the membrane increases, the rate of transport reaches a maximum.

The mechanism used to get this molecule across the membrane is most likely:

A. simple diffusion.

<u>B. facilitated diffusion. </u>

C. active transport.

D. There is not enough information to determine a mechanism.

Carrier proteins - exist in two conformations, altered by high affinity binding of the transported molecule. Moves material in either direction, down concentration gradient (facilitated diffusion). EXAMPLE: GluT1 erythrocyte glucose transporter.

Channel proteins - primarily for ion transport. Form an aqueous pore through the lipid bilayer. May be gated. Moves material in either direction, down concentration gradient (facilitated diffusion). EXAMPLES: Voltage-gated sodium channel, erytrhocyte bicarbonate exchange protein.

This might be helpful... because I don't know anything about facilitated diffusion.

5 0
3 years ago
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