Science, asked by Awantika9268, 9 months ago

Example of harmful change

Answers

Answered by Ragab20

Answer:Changes that are harmful : (a) Burning of coal,plastic,wood and other substances that release CO,SO2. (b) Cutting of trees leading into soil erosion,fall in O2 levels in air etc. (c) Contamination of rivers

Answered by Swamiedge

Answer:

cutting down of trees we can't able to survive without trees because no oxygen and food.

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