A volcanic eruption produces a large amount of smoke which affects the lungs
of animals. Which of these Earth systems interact during this event?
1) geosphere, atmosphere, and biosphere
2) geosphere, atmosphere, and cryosphere
3) atmosphere, cryosphere, and hydrosphere
4) atmosphere, biosphere, and cryosphere

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false

Read the following quote from the nature conservancy, “the 3 billion people who live in poverty around the world will be hardest hit by climate change. the poor are more dependent on natural resources and have less of an ability to adapt to a changing climate. diseases, declining crop yields, and natural disasters are just a few of the impacts of climate change that could devastate the world’s most vulnerable communities.” from this quote, what group of people is most vulnerable to climate change? those who depend on industrialized nations people who are able to adapt to changing conditions people living in central america people who are living in poverty