Question

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

It has become cooler
It has become cooler

It has become warmer
It has become warmer

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

It has grown smaller

Answer 1

The correct response is:

**It has become warmer.**

Over the past 40 years, the Arctic Ocean has experienced significant warming, leading to a reduction in sea ice extent and thickness.