Answer:
A 550
Explanation:
0.55 hectometers is equivalent to 550 decimeters.
Answer:
Overreacts to an antigen.
Explanation:
Thats what an allergy is if you think about it
Because any other substance couldn't carry the heat and the amount of surface area gives it more of an opportunity to cool down
Answer:
不，你做
Explanation:
There's the answer you know what to use to get the answer
Answer:
D
Explanation:
If a group of organs working together is called an organ system, and there are about 11 major body systems including the nervous system, the nervour system must be an organ system.
