4.3 Evidence of Change & Greenhouse Affect Flashcards
1
Q
What are greenhouse gases?
A
Gases that keep the Earth at the right temperature.
2
Q
What is climate?
A
Weather over a long period of time.
3
Q
What is the greenhouse effect?
A
The effect of greenhouse gases on Earth’s climate.
4
Q
How do humans affect the greenhouse effect?
A
We release fossil fuels into the atmosphere.
5
Q
Why is the greenhouse effect important?
A
It keeps Earth at the right temperature.
6
Q
What do ice cores do?
A
They give us CO2 levels and temperatures from hundreds of thousands of years ago.
