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4 February, 08:28

Why are many scientists concerned about humans adding large amounts of carbon to the atmosphere by burning fossil fuels (combustion) ? A. When carbon is released into the atmosphere it floats into outer space, and is lost forever. B. The atmosphere has a limited capacity to absorb and recycle carbon naturally. C. If the atmosphere gains too much carbon, birds won't be able to fly. D. Carbon is a poisonous chemical, which can kill plants.

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Answers (2)
  1. 4 February, 08:30
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    the answer is B
  2. 4 February, 08:31
    0
    The answer is B
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