Answer:
It's important for a scientist to try to hold all variables constant except for the independent variable. If a control variable changes during an experiment, it may invalidate the correlation between the dependent and independent variable. When possible, control variables should be identified, measured, and recorded.
Answer:
<em>D. All of the above </em>
Explanation:
Answer:
c. warms slowly, but holds heat longer
It has pairs of matching chromosomes
I hope this helps!
