McKibben argues that, starting with coastlines, parts of the planet are becoming inhabitable for humans. For example, he says that (check all that apply) A, crop fields polluted with salt can no longer be cultivated and people have had to move away
B. ice melting in the coasts leaves towns, cities, and villages without protection from ocean waves
C. hurricanes which have destroyed towns leave people unable to rebuild
D. certain coastal towns are preparing to relocate residents because of rising sea levels
E. areas that were not flood zones 30 years ago have become flood zones