Answer:
C. Coastal Flooding
Because:
Birth rate has nothing to do with this, so we can eliminate that
Calmer Weather doesn’t depend on glaciers, so we can eliminate that
More fresh water does seem to make sense, but glaciers would melt into the ocean, and the ocean is salt water, so that fresh water wouldn’t be fresh water anymore
Coastal Flooding is correct because glaciers hold tons of water and if they melted, so much water would be released that it would definitely cause coastal flooding
