White tip reef sharks spend most of the day lying on the ocean floor. While remaining still, these sharks pump water across thei
r gills. The movement of water across their gills is necessary for —
A) staying cool
B) accessing food
C) obtaining oxygen
D) avoiding predators
2 answers:
Answer:
A.) or C.)
Explanation:
Idk what is it i think it is C.) i hope am right
Answer:
The answer is C
Explanation:
Because in order for it to breath well it needs to move its gills
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