The two images of the McCall Glacier in Alaska depict how it has changed in size over the past 50 years.
Predict how the change in this glacier will impact marine ecosystems.

It will increase ocean temperatures due to cold water being added.
It will increase sea level due to runoff from the melting ice.
It will increase temperatures on land due to a lack of snow cover.
It will increase the amount of carbon stored in the oceans.