Question

Most of the water vapor and carbon dioxide in Earth's atmosphere is found A. in the lower part of the atmosphere. B. in a thin layer right in the middle of the atmosphere. C. in the upper part of the atmosphere. D. in a thick layer right in the middle of the atmosphere.

Answer 1

A. in the lower part of the atmosphere.

Step-by-step explanation:

Troposphere

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere.

Answer 2

Most of the water vapor and carbon dioxide in Earth's atmosphere is found in the lower part of the atmosphere.

Not only that but also the eleven most abundant gases found in the Earth's lower atmosphere by volume. Of the gases listed, nitrogen, oxygen, water vapor, carbon dioxide, methane, nitrous oxide, and ozone is found in the lower part of the atmosphere which are extremely important to the health of the Earth's biosphere.

Thus the required right answer is A