Sagot :
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.
Explanation:
ctto
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.
Explanation:
ctto