Here is the answer to the given question above. Vitamin D is the vitamin that is essential in <span>managing calcium in your blood, bones and gut and helps cells all over your body to communicate properly. This vitamin D is being absorbed through the skin once it is exposed in sunlight. After that, the body would undergo some chemical processes. This is the reason why it is necessary in the formation of bones. Hope this answer helps.</span>
Answer:
The four main ways are freeze-thaw, onion skin (exfoliation), chemical and biological weathering.
Explanation:
<span>The complete question includes these choices: a. vitamin B6
b. calcium
c. water
d. protein The correct answer is c. water. Water has a peculiar chemical structure, with special and unique properties that are crucial for chemical reactions (eg good dissolving properties, resistance to pressure and fluidity throughout changes of state).</span>