Question

Decrease in number of trees when all the other factors are constant, cause
1) increase in carbon dioxide in air
2) decrease in carbon dioxide in air
3) no effect on amount of carbon dioxide
4) increase in oxygen​

Answer 1

Answer:

HERE IS YOUR ANSWER!!

INCREASE IN CO2 IN AIR.

HOPE IT HELPS YOU ☺

Answer 2

Answer:

(2) Decrease in carbon dioxide in air.