Select the correct answer from the list.(2 points)
In the greenhouse effect, far infrared radiation is [emitted from, absorbed by, emitted and absorbed by] Earth's surface and absorbed and reemitted by [all, some] gases in the atmosphere. These gases have [increased, been unchanged, decreased] in concentration over the past century.
The correct answer choices are:
- emitted from
- all
- increased
About what percentage of atmospheric ozone is located in the stratosphere?(1 point)
75%
90%
40%
10%