A hypothesis is only useful when it contains a prediction on the outcome of the experiment or test.
Severe depression and bipolar disorder
Answer: Is D
Explanation:
I took the test on K12 and got it correct
The answer should be all of the above, if it is not then the answer is A dichotomous key can help classify an unknown organism.
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It rains, water moves and erodes the land and creates valleys and rivers.
