Chapter 16 environmental science

how has deforestation contributed to global warming?

When trees are cut down and burned their stored carbon is released into the air as carbon dioxide.

what is not an example of mitigation strategy?

pumping water out of low-lying coastal areas

when large amounts of carbon dioxide dissolve in the oceans, what is the result?

seawater with a lower ph

true or false: warmer ocean temperatures may lead to the death of algae and coral bleaching

TRUE

which activity is the largest source of U.S. greenhouse gases?

Electricity generation

True or False: when seawater becomes warmer, its volume decreases.

FALSE

true of false: loss of forests contributes to an increase of oxygen in the atmosphere.

FALSE

True or false: Topography refers to surface characteristics of an area, such as the presence of a mountain.

TRUE

true or false: the united states did not sign the kyoto protocol.

TRUE

the suns rays strike earth most directly at the...?

equator

rising sea levels are a result of ...?

melting ice and expansion of heated water

which of the following does not provide clues about earths climate in distant past?

volcanoes

what are the two major greenhouse gasses?

water vapor and carbon dioxide