Question

The most serious environmental effect of rising sea levels is

Answer 1

Possible flooding of low lying areas

Widespread coastal flooding is expected if several degrees of warming is sustained for millennia. Rising sea level is caused by Global warming. Global warming on the other hand is caused by pollution caused by greenhouse gases. One of the most obvious effects of rising sea level is the flooding of low lying areas, along the  coastlines.

Answer 2

C.) Just took the test