4.3 S.G.

Question 1

What are greenhouse gases?
What do they do?

Answer 1

Greenhouse gases are gases that absorb and trap infrared light before releasing it. (Methane and carbon dioxide)

Question 2

What is the Greenhouse Effect?
Why is it important?

Answer 2

The Greenhouse effect is the increase of temperature from greenhouse gases. It’s important because this is how global warming is happening today.

Question 3

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

Answer 3

It shows the similarity between temperature and CO2 in every 20 thousand years.

Question 4

What’s the difference between a positive and negative feedback loop?

Answer 4

A positive feedback loop reinforces or amplifies the initial disturbance, while Negative Feedback loops reduce the events of the initial disturbance.