stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Big History Unit 4 "Earth & the Solar System" Review Flashcards | StudBud
Big History Unit 4 "Earth & the Solar System" Review
1 / 45
Which of the following best characterize the "Phanerozoic Eon"...
A
the eon named for the species Homo sapiens (Humans)
B
hellish due to cosmic impacts, volcanic activity, high temps
C
eon with the transition from Carbon to Oxygen atmosphere
D
the eon in which the first lifeforms evolved
Next
0
0
correct · 0:00