Dr. Alexander Winemann is a Biologist who specializes in organic chemistry.
Answer:
research question: how do different humidity levels affect the heights of different types of trees
independent variable: humidity level
dependent variable: tree height
constants: temperature, light, duration of time
control group: tree left outside in normal conditions
Explanation:
its answer is A.
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Answer:
The nonpolar tails in the middle of the plasma membrane
Explanation:
