The correct answer choices are:
- emitted from
- all
- increased
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.
7 answers
About what percentage of atmospheric ozone is located in the stratosphere?(1 point)
75%
90%
40%
10%
75%
90%
40%
10%
About 90% of atmospheric ozone is located in the stratosphere.
Ozone in which layer of the atmosphere is sometimes called good ozone?(1 point) Responses troposphere troposphere stratosphere stratosphere mesophere mesophere exosphere exosphere
Ozone in the stratosphere is sometimes called good ozone.
What is a greenhouse gas?(1 point) Responses a gas that forms a physical barrier to block escaping heat a gas that forms a physical barrier to block escaping heat any gas in Earth's atmosphere any gas in Earth's atmosphere any gas in the troposphere that absorbs and re-emits infrared radiation any gas in the troposphere that absorbs and re-emits infrared radiation a gas at higher temperature than the surrounding atmosphere
A greenhouse gas is any gas in Earth's atmosphere that absorbs and re-emits infrared radiation.
1 answer