4.3 Flashcards
1
Q
what do greenhouse gases do
A
they trap heat in the atmosphere and either keep it or radiate it to the Earth’s surface.
2
Q
what are some examples of greenhouse gasses
A
carbon dioxide, methane, nitrous oxide
3
Q
what do you call it when humans drastically effect the heat cycle
A
climate change
4
Q
how can humans affect climate change
A
burning fossil fuels and deforestation which releases more gasses to trap more heat which rises the world temperature
5
Q
what are the two types of feedback
A
positive and negative
6
Q
what is positive feedback
A
when the output is the same or more than the input
7
Q
what is negative feedback
A
when the output is the opposite of the input
8
Q
can negative feedback be a increase
A
yes
9
Q
A
