What maintains the average global temperature suitable for living organisms? A)fossil fuels

B)tropical storms

C)volcanic activity

D)greenhouse gases

In the african savanna, more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Which locations on the map are low-pressure areas? a b c d e