The structural unit of compact bone is called an osteon, or sometimes referred to as a Haversian system. Compact bone is made up of many osteons
I'm not sure about number 1 or number 6, but I know that 3 is nucleic acid and 5 is solution.
Answer: sewage in water and factory waste
Explanation:that’s my guess
Acids break down the sandwich and it goes into the intestines and the enzymes and bacteria break it down more then it is absorbed into the intestines through the body.
Since carotenoids stabilize dangerous free radicals, we can assume that their function is to protect the cell from the free radicals.
