A. Alice carried the recessive allele
<span>How does a change in temperature affect the stomata of a plant?
This one you could set up an experiment with different temperatures with different plants and see if the stomata change.
A and D are just facts and B is an opinion
Hope that helps</span>
The best way to avoid measurement error in an experiment is being shown in the option C. instrument precision which means that a tool is controlled very carefully in order to get the most accurate result, and the answer for your question is D. misreading the instrument as it is an opposite of what I have just said.