The answer is A.
Temperature changes when salt is in water, therefore the water will become more livable and suitable to those fish .
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B- roots and steams that can store a lot of water
Answer:
D.-
Explanation:
A control group is needed to carry out the experiment, that control group is the one that is not injected with anything. Ethanol and pesticide need to be injected into separated groups to document whether it is one or the other that is harmful
The answer is: A
Chemical energy
A hypothesis becomes a scientific theory when it has been thoroughly tested, and when whoever made the hypothesis now has proof of why their hypothesis was correct/incorrect.