APES Unit 9
Which is the least likely to be an effect of global warming? - correct answer
decreased rate in photosynthesis in vegetation
Which of the following is a greenhouse gas that comes only from a human source? -
correct answer chlorofluorocarbons
Which of the following types of releases of greenhouse gases from an anthropogenic
source is shown in the diagram? - correct answer industrial and agricultural
practices releases CH4 into the atmosphere
Which of the following best describes the impact of atmospheric carbon dioxide and
stratospheric aerosols? - correct answer carbon dioxide contributes to global
warming, and aerosols cause cooling
CFCs in the atmosphere are much lower than those of CO2 , CFCs are still potent
greenhouse gases because - correct answer are much more efficient at absorbing
thermal radiation
The spread of infectious diseases is expected to increase with climate change,
because - correct answer warmed temperatures will allow disease-carrying insects
to survive
Which of the following is part of a positive feedback mechanism associated with
global climate change? - correct answer melting of artic sea ice
CH4 has a higher global warming potential than CO2 does, so it can trap more heat
in the atmosphere. - correct answer true
Many scientists say a rise in sea level has occurred in the last hundred years as a
result of global warming. Why? - correct answer thermal expansion of the ocean
