stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chapter 16 Review Flashcards | StudBud
Chapter 16 Review
1 / 27
About ______ years ago, water vapor began to accumulate in Earth’s early atmosphere.
A
4 billiion
B
4 billion
C
4 billlion
D
4 million
Next
0
0
correct · 0:00