Old field succession has commonly been observed in the Piedmont region of the eastern United States. It occurs when a farmer stops plowing a field, the field is neglected, and, if left alone long enough, it returns to the original community. What type of succession is going on

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carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.

answer/// to address the needs of adults with mental illness and increase their ability to function;

answer///alimentary canal/gastrointestinal tract.digestive (gi);