Chapter 4.3 Flashcards
1
Q
What is the greenhouse effect?
A
The process through which heat is trapped near Earth’s surface by substances known as “greenhouse gases’.
2
Q
What are greenhouse gases?
A
Gases that trap heat in the atmosphere.
3
Q
What is positive feedback?
A
The output of systems serves to amplify the initial disturbance.
4
Q
What is negative feedback?
A
The output system acts to restrict the effects of the initial disturbance.
5
Q
What can different ice layers show us?
A
The precipitation, weather patterns, erosion, etc.
6
Q
What are some human effects of greenhouse gases?
A
Pollution, burning fossil fuels, and exhaust fumes from vehicles.
7
Q
Example of negative feedback?
A
Blood sugar levels from intaking sugar.
8
Q
Example of positive feedback?
A
Platelets come when a cut occurs.
