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Tatiana [17]
3 years ago
7

What is the name of Earth’s innermost layer?

Biology
2 answers:
andriy [413]3 years ago
8 0

Answer:

A.) Core

Explanation:

Core definition: a central and often foundational part usually distinct from the enveloping part by a difference in nature.

IrinaVladis [17]3 years ago
7 0

Answer:

The correct answer is option A. core.

Explanation:

The core is the innermost layer of the earth. It is a very hot, dense center of the earth that is beneath the solid mantle and crust that are cold. It is a solid ball that has about a 3485-kilometer radius.

The core of the earth is very hot regions which are said to be because of radioactive decay of different elements.

Thus, the correct answer is option A.

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Please Help! Factors affecting the rate of Photosynthesis.
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Three factors can limit the rate of photosynthesis: light intensity, carbon dioxide concentration and temperature.

Light intensity

Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide. Increasing the light intensity will boost the rate of photosynthesis.

A graph with rate of photosynthesis on the y axis and light intensity on the x axis. The plotted line rises steeply and then levels off to horizontal.

Carbon dioxide concentration

Even if there is plenty of light, a plant cannot photosynthesise if there is insufficient carbon dioxide.

A graph with rate of photosynthesis on the y axis and light intensity on the x axis. The plotted line rise steeply and then levels off to horizonal. During the steep part light is the limiting factor. During the horizontal part another factor has become limiting.

TemperatureIf it gets too cold, the rate of photosynthesis will decrease. Plants cannot photosynthesise if it gets too hot.

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If you plot the rate of photosynthesis against the levels of these three limiting factors, you get graphs like the ones shown above.

In practice, any one of these factors could limit the rate of photosynthesis.

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