Question

A true statement about greenhouse gases is that they

convert sunlight into heat energy that warms Earth.

are concentrated in the stratosphere.

trap heat that is radiated upward from Earth.

are not affected by human activity.

Answer 1

@Rushwr

Answer 2

I think the answer is C

Answer 3

k thnx c:

Answer 4

Actually the green house gases are found in the troposphere. Stratosphere is above the ozone layer also so that answer is wrong.
It doesn't convert actually those gases make a layer in the troposphere, trapping the heat of the sun. It doesn't convert it.
Human activity is the main cause