Answer: climate change
Explanation: less rain means less water for consumption.
Answer:
A. merchants from the Maya civilization.
Explanation:
If all the ice covering Antarctica , Greenland, and in mountain glaciers around the world were to melt, sea level would rise about 70 meters (230 feet). The ocean would cover all the coastal cities. And land area would shrink significantly. ... Scientists are studying exactly how ice caps disappear.