What happened to the Arctic Ocean during the past 40 years?(1 point)
Responses
It has become warmer
It has become warmer
It has gained more sea ice.
It has gained more sea ice.
It has grown smaller
It has grown smaller
It has become cooler
It has become cooler
1 answer
It has become warmer and has lost significant amounts of sea ice, leading to increased melting and changes in ecosystem dynamics.