21. Soot tends to warm the earth when it accumulates in atmospheric brown clouds. a) true b) false 22. Which external force plays the smallest role in current efforts to model global warming? a) orbital cycles b) solar luminosity (i.e. variations in energy from the sun) c) greenhouse gasses d) volcanic eruptions 23. The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect. a) true b) false
21. Soot tends to warm the earth when it accumulates in atmospheric brown clouds. a) true b) false 22. Which external force plays the smallest role in current efforts to model global warming? a) orbital cycles b) solar luminosity (i.e. variations in energy from the sun) c) greenhouse gasses d) volcanic eruptions 23. The climate change community is divided between those who believe the goal should be to eliminate the earth's greenhouse effect altogether, and those who argue that we should attempt to minimize earth's greenhouse effect. a) true b) false
Global%20warming%20quiz%203%20D.docx