I think the answer might be glucose.
The acid which dissociates completely into H+ ions in water will have the lowest pH value , while the base dissociates completely into OH- ions in water will have the highest pH value. Strongest acids has pH of 1 while strongest base has ph of 14. (0 - 6.99 are acids.)
Sorry I only have 4 reasons
But I hope it will help you
Cells need energy to move, make proteins, divide, and transport materials.
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Answer:
It blocked the suns harmful UV rays
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