Many thing, such as cancer and diabetes
A because idn hope u find the answer
Answer: b
Explanation:
An open system is when nutrients and waste are moved through the body freely through the body cavity, rather than being enclosed in veins.
Answer:
electrical energy is converted
Answer: Hey I will gladly help. I can't right now because you did not say what each pond is like. If you fix it, I will do it for you
Explanation:
