D. He controlled variables by studying one or two traits at a time
Q1: The answer is seasonal changes.
Q3: The answer is sodium.
Q4: Not sure, sorry.
Q5: And then I think it is A for this one, but I am not sure.
I am not exactly sure but I would gn with protein because DNA does not look like that is how the cell is so maybe protein or starch
Answer:
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chromosomes that carry genetic information align in the equator of the cell before they split off into two daughter cells
Explanation:
During metaphase, the chromosomes that carry genetic information align in the equator of the cell before they split off into two daughter cells with identical genetic material. Metaphase is the third stage of mitosis, which is a phase of the cell cycle where chromosomes in the nucleus are divided between two cells.
The problems that will receive priority are the physiological needs such as air, food and water.
Maslow's hierarchy of needs is a theory in psychology which organizes people's needs according to their priorities. It is represented as a pyramid with five steps which include: physiological(at the base), safety, belongingness, esteem and self actualization.
The physiological needs at the base of the pyramid are the first priorities.