<span>Kidney filtration is right, but i think the perfect answer is B.</span>
The Sickle Cell Disease Association of America
Answer:
D- Concern about financial consequences
Explanation:
Because they might not be able to afford those things
Answer:
Maria is missing a control group.
Explanation:
For Maria's experiment to be accurate, she needs to have a group of people that have not drank coffee. She will then be able to compare the experimental group to the control group for more accurate results.
