Please answer this: -  Limestone is located under the soil - Rain picks up carbon dioxide as it falls to earth - The rain falls on the soil over the limestone - The carbon dioxide in the rain washes through the soil - The carbon dioxide turns into acid - The acid in the rain gets to the limestone below the soil - The acid dissolves the limestone - Acid continues to erode the limestone with more rain over time  What might be the last step of the process?
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Answer: The eroded limestone sometimes forms caves.


Please answer this: -  Acid rain leaches aluminum from clay particles in soil - Aluminum flows into streams and lakes - Acid rain dissolves minerals and nutrients in soil - Washes them away so plants can&#x27;t benefit from them - PH in soil and water gets affected which can kill plants and animals  What might be the last step of the process?
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Answer: Acid rain in fog at higher elevations can strip foliage off trees.


Please answer this: -  An animal eats a lot of food to fatten up - The animal finds or builds a suitable place to hibernate where they can stay warm and protected - The animal moves into their den - Their heart rate and breathing slow down to conserve energy  What might be the last step of the process?
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Answer:
They emerge from the den when the weather is warming up again.