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 grown smaller
It has grown smaller
It has become warmer
3 answers
It has become warmer
How much of Earth is comprised of ice?(1 point)
Responses
about 10 percent
about 10 percent
about 90 percent
about 90 percent
about 30 percent
about 30 percent
about 70 percent
about 70 percent
Responses
about 10 percent
about 10 percent
about 90 percent
about 90 percent
about 30 percent
about 30 percent
about 70 percent
about 70 percent
about 10 percent
1 answer