4.3

Question 1

Negative and positive feedback loops

Answer 1

Negative reduces or restricts the initial disturbance.
Positive reinforces or amplifies the original disturbance.

Question 2

Green house glasses do what to the environment.

Answer 2

Make the temperature rise

Question 3

This is an example of
When your body temperature rises (initial disturbance) you start to sweat. The sweat allows your body temperature to fall back to the set point.

Answer 3

Negative feedback loop.

Question 4

What do green house glasses do.

Answer 4

They take in solar energy then release it back into the environment.

Question 5

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

Answer 5

Ice cores tell us that there have been periods of ups and downs in temperature but most recently the temperature has been at it’s highest.