_______ percent of marine life lives in the upper zone of the ocean that receives sunlight.
A - 50
B - 75
C - 90
D - 80
E - 40
Answer: C - 90
_______ percent of marine life lives in the upper zone of the ocean that receives sunlight.
A - 50
B - 75
C - 90
D - 80
E - 40
Answer: C - 90