Which is not the example of greenhouse gases? a. Methane
B. Water vapor
c. Carbon dioxide
d. Nitrogen

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline