Examine the impact of widespread deforestation and clearcutting on environments. how can the effects of deforestation be lessened?

It can be lessend by replanting trees as the trees are being cut down

First of all, we should define No Clearcutting zones. Second of all, like he/she said, we should replant trees as we cut them down.

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When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.