Answer: Chemical
Explanation:
Burning and rusting are examples of a chemical change. In both processes, burning and rusting, there is a heat that can be slowly or instantly detected. If there is rusting, we can say that is a slow process of detection but if there is rust, it can be easily and instantly detected.
Both of them are also requiring oxygen but the rusting is also requiring water.
As well as synthesize Vitamin D in
skin when exposed to sunlight from April until October. It is exceptional
because it can be made in the skin from exposure to sunlight. It exists in two methods
which is Vitamin D2 is attained from the UV irradiation of the yeast
sterol ergosterol and is establish naturally in sun exposed mushrooms while UVB
light from the sun strikes the skin and humans synthesize Vitamin D3
So it is the most natural form.
Answer:
see comment
Explanation:
Kept telling me an inappropriate word...
Im not so surce but i bieleve that it is C.