Answer:
Periosteum.
Explanation:
Periosteum is an extremely thin region of non-calcified tissue on the exterior of bones. It covers the entire surface of every bone in the body, with the exception of the joint-forming ends of bones where cartilage forms the bone’s outer layer.
i think its energy that made by our body.. its form from a chemical substance (from food). The chemical energy in our body is the heat we give.
<span>Gravity acts on all objects in the universe.</span>
Haiii !! I believe the third option to be reasonable
Arents and children
diverse cultures
urban vs. rural life
people and nature
