The correct answer is: by analyzing her average test scores after nights with different amounts of sleep.
This is the best way to approve her hypothesis, because she can compare the results of the tests influenced by different amounts of sleep.
The independent variable (the one that is changed by the scientist) in this hypothesis would be hours of sleep. The dependent variable (the one that is observed and that responds to the change made by the independent variable) would be result of test.
Answer:
diploid; haploid
Explanation:
Diploid: containing two complete sets of chromosomes, one from each parent (pairs)
Haploid: having a single set of unpaired chromosomes
Medieval i think sorry if i’m wrong.
Because when he hikes up a hill he does much more effort than when he walks in flat ground, also the heart beats faster in order to send blood to all his organism
Answer:
C
D
B
A
Here are the answers hope it's good
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