It radiates light and heat, or solar energy, which makes it possible for life to exist on Earth. Plants need sunlight to grow. Animals, including humans, need plants for food and the oxygen they produce. Without heat from the sun, Earth would freeze.
Answer:
Smooth muscle tissue
Explanation:
In the diagram it can show you. It is the one in the middle!
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It measures the total rate at which photosynthesis or chemosynthesis happens in a system.