Question

What happened to the Arctic Ocean during the past 40 years?(1 point)
Responses

It has gained more sea ice.
It has gained more sea ice.

It has become cooler
It has become cooler

It has become warmer
It has become warmer

It has grown smaller

Answer 1

During the past 40 years, the Arctic Ocean has become warmer and has generally experienced a decline in sea ice coverage, particularly during the summer months. Therefore, the correct response is:

It has become warmer.