You absorb vitamin d from sunlight shining on your skin.
Vitamin d can help the absorption of calcium, which is capable for strengthening your bones and teeth.
Therefore if u r lacking of vitamin d, your bones and teeth may be soft, and especially among children, you may get ricket, where the legs are bent outwards.
Answer:
B. Burns cleaner than coal
Some energy in ATP is released to do work, such as move muscles or force a seedling out of the ground. ... Within the power plants of the cell (mitochondria), energy is used to add one molecule of inorganic phosphate (P) to a molecule of adenosine diphosphate (ADP).
No. The trends go in different directions. CO2 goes up more than the volcanoes. It is the general trend that makes a difference compared to the fluctuations.
I believe that the government should have limited access to people's genetic codes as they might be useful in solving crime or figuring out someone's identity and relatives
