At a hydrothermal vent,

a: sea water seeps out the ocean floor through cracks in the crust

b: bacteria and other organisms die due to lack of nutrients

c: see water seeps into the ocean floor at the cracks in the crust

Awatershed is a piece of land that drains water into a particular stream, lake, or river. which of the following factors often negatively impacts the water quality in a watershed? a.) wetlands b.) pollution c.) irrigation d.)rainfall

Which of the following is not a challenge to instituting sound global environmental policies? a. most changes are inexpensive and easy to implement. b. elected leaders who support unpopular environmental issues often are not re-elected. c. economic considerations outweigh environmental ones in many societies. d. there is no way to enforce international environmental agreements.

Which event had the greatest impact on culture of south america