Answer:Three major groups of islands in the Pacific Ocean are Melanesia, Micronesia and Polynesia.
Explanation:
The correct answer is number two
Answer:
Some of the most common problems that are already happening are pretty much the same that'll happen in the future.
Ozone depletion
Climate change
Global warming
Acid rain
Carbon dioxide contributes to air pollution in its role in the greenhouse effect. Carbon dioxide traps radiation at ground level, creating ground-level ozone. This atmospheric layer prevents the earth from cooling at night. One result is a warming of ocean waters
Explanation:
