Question Info

This question is public and is used in 221 tests or worksheets.

Type: Multiple-Choice
Category: Atmosphere
Level: Grade 11
Score: 5
Tags: earth
Author: mrsday
Last Modified: 3 months ago

View all questions by mrsday.

Atmosphere Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Grade 11 Atmosphere

What gas composes about 20 percent of Earth's atmosphere?
  1. oxygen
  2. nitrogen
  3. carbon dioxide
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.