The main reason that it's important to test only one variable at a time is so that A. quantitative data can be recorded. B. scie
ntists can easily tell which variable caused the results. C. qualitative data can be recorded. D. scientists can have many hypotheses tested at once.
1 answer:
I think it's B cuz each variable does need to be viewed one at a time
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Answer:
Reproduction
Explanation:
The answer would be reproduction because it is creating a new living thing.
A plant cell would have cell walls while an animal sell would not.
The answer to this question is C
LAKE SUPERIOR BRO!
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