Answer :

Kalahira
The answer is B. We require trees to breath. We would be stuck in an unfortunate situation without our woods. Trees expel carbon dioxide from the environment and discharge oxygen through a procedure called photosynthesis. Basically all creature life on Earth needs oxygen to inhale and woodlands assume a key part in the complex worldwide oxygen cycle.
W0lf93
B. Recycling newspapers. Paper is made from trees. Therefore in order to make paper, trees must be cut down and go through a number of processes that eventually result in the making of paper. Recycling of newsapers means that the need for papers will be less therefore the number of trees being cut down will reduce.

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