4.3

Question 1

What are greenhouse gases and what do they do?

Answer 1

gases in the earth’s atmosphere that trap heat

Question 2

What is the greenhouse effect? Why is it important and how have human affected it?

Answer 2

a process that occurs when gases in Earth’s atmosphere trap the Sun’s heat, it keeps earth warm enough to sustain life. Humans release more gas causing hotter temperatures.

Question 3

What do ice cores tell us about the patterns of CO2 and temperature for the past 800,000 years

Answer 3

CO2 concentrations and what temperatures were with the thickness of the layers

Question 4

What is the difference between positive and negative feedback?

Answer 4

Positive feedback occurs to increase the change or output, Negative feedback occurs to reduce the change or output

Question 5

Analyze/make predictions based on a diagram of a climate change feedback cycle

Answer 5

look at handouts for this