Question

I need help with this question Which group of words best helps the reader understand the meaning of the word cumulative in this sentence?
Many people consider global warming, also called climate change, to stem directly from the cumulative impact of air, land, and water pollution, as well as other human activities.

Many people consider global warming

also called climate change

air, land, and water pollution

to stem directly from

Answer 1

Air land and water pollution would best help

Answer 2

Air, land and water pollution. it describes many things hence "cumulative" hope it helps