AST 110
13 MODULES
CRASH COURSE
FINAL REVIEW
Crash Course
/
Review
Wrong-answer review · 1
01 / 01
0s
QUESTION
01
/ 01
☆
FLAG
Sunspots rise and fall in numbers, leading a sunspot cycle of
A
7 days
B
30 days
C
11 years
A
B
C
D
pick
·
R
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