It explained the shift in in the earth from the plate tectonics and how when the volcano erupts it causes lava to come out
I feel like c is the best answer because stars burn out so it’s like a candle i guess ? that’s my best guess but good luck
They help break down food particles to get energy and provide nutrients for the cells
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Electron transport chain
the electron transport chain. Their energy is used to pump H+ ions from outside to inside the thylakoid against a concentration gradient. The H+ ions build up inside the thylakoid. Electrons move on to photosystem I.