7
QuizMultiple Choice

Structure and Composition of the Atmosphere

Question 7 • PARTA - EOP: PGCPS BIOGEOCHEM CR (FALL2026) - 798113

Which atmospheric layer prevents meteoroids from reaching Earth’s surface?

Answer
A
mesosphere
B
stratosphere
C
thermosphere
D
troposphere

Explanation

Most meteoroids burn up as they enter the mesosphere, preventing them from reaching Earth’s surface. The mesosphere is the layer above the stratosphere and below the thermosphere, so the correct choice is mesosphere.

AI-written and checked against the verified answer.

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