stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Benchmark #1 Flashcards | StudBud
Benchmark #1
1 / 24
What is the atmosphere, and what are its main functions?
A
A layer of gases surrounding Earth that protects us from harmful radiation
B
A solid shield that covers Earth and absorbs all sunlight.
C
A body of water that keeps Earth cool and blocks solar energy.
D
A layer of dust and debris that insulates Earth from heat.
Next
0
0
correct · 0:00