4.3

Question 1

GHG

Answer 1

gases that absorb infrared light and emits it back into the atmosphere as heat

Question 2

what are the three main GHG

Answer 2

water vapor, methane, nitrous oxide, and co2

Question 3

albedo

Answer 3

the percent of light being reflected

Question 4

how does water vapor effect temp and GHE

Answer 4

water vapor is the largest overall contributer to the radiative forcing of GHG, has a significant effect on temperature

Question 5

what is the water vapor feedback loop

Answer 5

when temp increases, evaopration increases, the amount of water vapor increases, which makes the amount of infrared light absorbed higher, which increases the temp even more.

Question 6

what do ice cores do

Answer 6

they help us measure climate conditions in the past

Question 7

what can CO2 levels in ice be used for

Answer 7

they can be used to measure GHG levels in the past

Question 8

what is a feedback loop

Answer 8

a circuit like system where an initial disturbance acts as an input into the system, creating what’s called an output, which affects the initial disturbance.

Question 9

positive feedback loop

Answer 9

output amplifies initial disturbance

Question 10

negative feedback loop

Answer 10

output restricts initial disturbance