B. Electromagnetic waves
This is also called light. They can move through empty spaces because do not need a medium and they are the fastest because no matter how far they are they do not get smaller.
Answer: "analogous features" .
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The answer would be B.) Sweat gland
Answer:
Tanning of DNA using UV light at different time (1 minutes, 15 minutes, and 30 minutes)
Explanation:
Independent variable is the variable that was controlled or change and in this case it is the tanning of DNA with UV light at different times and the dependent variable is what is measured or the effect of the change in the independent variable which is DNA damage and the control was the cells that did not receive the treatment.
Active transport moves small molecules against the a concentration gradient which is the opposite of diffusion or that's what i found in Quizlet
