Sounds like infectious would fit.
Answer:
D
Explanation:
Science was needed to make technology and technology helps make scientific advancements. Ex- looking at a blood cell through a microscope to find s cure for a virus.
Ex- someone had to build a telescope using science to see the stars.
The kidneys.
The kidneys keep blood isotonic by removing excess salt and water through urine.
The answer is A because with rna G and C always go together and A and U always go together