7.3 part 1 (2)

Multiple Choice

(P.21) 1. Which labels in Figure 7 are correct?

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Multiple Choice

Which of the following about permafrost is/are correct?

• More methane will be released into the atmosphere.

• It is found in the low-latitude regions

• Melting permafrost causes global average temperature will drop.

Multiple Select

Which of the following gases are responsible for the greenhouse effect?

• Oxygen

• Water Vapor

• Methane

• Nitrous Oxide

Multiple Choice

An increase in air temperature causes increasing evaporation. As a result, air temperature increases.

• This is an example of positive feedback

• This is an example of negative feadback

• This is an example of carbon neutral

• This is an example of net-zero