Question

read the question, and then use the drop - down menus to complete the paragraph. what is earths atmosphere made of? the most abundant gas in earths atmosphere is, followed by. the third - most abundant gas is. the amount of in the atmosphere is very small, making up just 0.033% of the atmosphere, but it is very important because plants use it to make simple sugars. another important gas is water vapor, which condenses around in the atmosphere to form clouds and then rain.

Explanation:

The question asks about the composition of Earth's atmosphere. Earth's most abundant gas is nitrogen, followed by oxygen, and the third - most abundant is argon. Plants use carbon dioxide to make simple sugars. Water vapor condenses to form clouds and rain.

Answer:

The most abundant gas in Earth's atmosphere is nitrogen, followed by oxygen, and the third - most abundant gas is argon. The amount of carbon dioxide is very small, making up just 0.033% of the atmosphere, but it is very important because plants use it to make simple sugars. Another important gas is water vapor, which condenses around in the atmosphere to form clouds and then rain.