Answer:
I think the answer will be protein.
Your answer is B. Good luck with the rest of your homework!
B. Embryos are being collected by the student on the field trip.
Blood Tests
A creatinine level of greater than 1.2 for women and greater than 1.4 for men may be an early sign that the kidneys are not working properly. As kidney disease progresses, the level of creatinine in the blood rises.
Answer: The Earth
This was believed to be true for hundreds of years....