Answer:
The Nervous System coordinates the body’s response to changes in its internal and external environment. The lymphatic system is responsible for the immune system, the excretory system is responsible for the wastes of the body, and the reproductive system is responsible for reproduction.
Explanation:
It gives off carbon. So false.
A guess based on evidence from the text.
Answer:
I think number 3 since they have the most in common
Explanation:
Answer:
It destroy both harmful and beneficial microbes.
Explanation:
If scientist added a chemical to destroy the arctic microbes, the beneficial as well as harmful microbes also eliminated from that area where chemical is applied. The removal of harmful microbes is a good thing but the removal of beneficial microbes brings instability in the environment. These beneficial microbes helps in the recycling of nutrients for the plants present there. So the negative effect of chemical is that it also effect the beneficial microbes which are necessary for the ecosystem.