The periosteum doesn't cover the portion of bones that contains articular cartilage, which is the cartilage found in joints that keeps the bones from rubbing together. It is not as tightly packed and contains cells that help in bone growth and repair.
The events that might triggered the to do more environmental movements include the effects of DDT on the environment and a river in Ohio was on fire because of the pollution present. It is a good thing though because, in the end, everything we do to the environment will have and will always have an effect on us living in this planet.<span />
Answer:
D. A nucleus
Carbon contains four electrons in its outer shell. Therefore, it can form four covalent bonds with other atoms or molecules. The simplest organic carbon molecule is methane (CH4), in which four hydrogen atoms bind to a carbon atom
Answer:
I believe the answer is c
Explanation:
