I'll try to explain, because I've had tubes before. In fact, I still have them.
For me, tubes were put in because of too many ear infections, and excessive water in my ear. The tube helped drain the water out. You can see A picture I have in a file. The tubes can be put I believe in the ear drum. They're put there to help drain water that has trouble getting out on its own.
Answer:
I think the awnser is D. Hope it helps
Answer:
The fungi, bacteria, and animals in a pond
Explanation:
Hope this helps :)
Answer:
b) contains hereditary information and controls most of heredity and cell processes
it contains and protects DNA
Explanation:
Answer:
Sorry cant find the answer but i hope you got it right and if you didn't you'll still do great. :)
Explanation: