When a plant opens and closes its stomata, it is maintaining homeostasis. Homeostasis includes the regulation of carbon dioxide and water levels necessary to perform photosynthesis. It also allows the plants to store water to prevent them from dying
Answer:
Crust- ranged from 6km to70km thick .
mantle- convection here leads to earthquakes.
Core -has a liquid and soild layer
Moho barrier- separates the crust and mantle.
Explanation:
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