Calcium
It depends on the quality. You can purchase a full replica plastic skeleton for $40 from a medical supply house. They can range up to $800 with specific details and other parts included. Actual human skeletons are very expensive.
There is less than 1 percent of fresh water that humans can use on earth.
Carbohydrates does not supply structure to bone.
The basal layer of the closest layer to blood supply. You do not have blood supply to the outer layers of the skin.
No. They do not supply voluntary skeletal muscles.
95% of the opla supply comes from Australia.
it's not possible.
Yes! If the supply of or demand for that mineral changes.
it's not possible.
Proteins
food and mineral transports.,.
Plants absorb mineral salts from soils and waters.
Yes! If the supply of or demand for that mineral changes.
The resources refers to the source of supply for the mineral. Mineral resources could be the ore, or even a material which could be recycled to retrieve the mineral's desired properties.
20%10 percent
Rich composted soil.
China