Your answer is <u><em>A) Carbon-14 </em></u>
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Answer:
This is possibly a bad idea because it could mess up the balance of the oceanic ecosystem and because of the drop in starfish, the whole food chain could get affected and plants and animals could die.
hope this helped
C) evaporation exceeds precipitation
Yes it is i how did u know
Answer:
The null hypothesis is incorrect.
Explanation:
The null hypothesis is incorrect because the average number of bacteria did not remain the same at the source and at the outlet. We know that bacteria reproduce in a very less time and they use reproduction methods such as binary and multiple fission so with the passage of time, the population of bacteria increases and did not remain the same at the source and at the outlet.