Answer:
nucleotides
Explanation:
RNA and DNA are polymers made of long chains of nucleotides.
HIV in fact kills the immune system cells causing our body cannot fight off infections and diseases from entering our body. this creates our immune system to become weaken.
Answer:
Ovary
Explanation:
I may be wrong because of the way that question is worded/shown tho
Answer:
i dont know but you pfp bad ;/
Explanation:
Answer:
It has increased
Explanation:
The concentration of carbon dioxide in the atmosphere has increased in the last 200 years. The extra carbon dioxide is causing an enhanced greenhouse effect greater than would happen naturally.
