Climate change

Which of the following are considered MAJOR greenhouse gases?

• water vapor and ozone

• water vapor and carbon dioxide

• ozone and carbon dioxide

• ozone and methane

The sun's rays strike Earth most directly at the

• poles

• equator

• temperature zones

• Gulf stream

Rising sea levels are a result of

• increased amounts of precipitation

• melting ice only

• increased carbon dioxide levels in water

• melting ice and expansion of heated water

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

• seawater with a higher PH

• seawater with a lower PH

• rising sea levels

• increased coral growth

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

• vehicle emissions

• electricity generation

• factory emissions

• geothermal power

True or False, warmer ocean temperatures may lead to the death of algae and coral bleaching.

• True

• False

True or False, the United States DID NOT sign the Kyoto Protocol.

• True

• False

What are examples of fossil fuels?

• oil, natural gas, and coal

• biogas, coal, oil

• uranium, natural gas, wind

• wind, solar, hydro

Can El Nino, and La Nina affect climate change?

• True

• False

Global climate change impacts on human life currently are

• farming, forestry, economy, health

• diseases, sea level, water supply