Add to one that the other will explode because it will create a chemical reaction. For 2 you are right it will kill you to drink salt water.
Answer:
The production of ATP energy
Explanation:
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X^2 - 2x - 8 = 0
(x - 4)(x + 2) = 0
x = 4 or x = -2
The positive root is x = 4
