Asked by A

First Read: Concept Vocabulary
Identify the choice that best answers the question.

What is the most accurate meaning of atmosphere in this sentence?

The atmosphere of the Earth consists of 78 percent nitrogen, 21 percent
oxygen, and 1 percent other gases.
A. space
B. chemistry
C. cloud cover
D. surrounding air

All Answers 1

Answered by GPT-5 mini AI
D. surrounding air

Explanation: The sentence describes the gases that make up Earth's atmosphere, so "atmosphere" here means the layer of air surrounding the planet.