Answer:I believe the answer is A
Explanation:
B and C have nothing to do with how the sun helps or is a necessity. D only talks about the life span of the sun not how it is necessary for the earth. A is the only answer that makes sense because it gives examples on how the sun helps the earth as well as human kind.
Answer:
I think the answer is a
Explanation:
hope it helps you plz mark me brilliantest
A deficiency in the diet of the element Iodine [I] can lead to goiter. This is why in the U.S. we placed more of it in all table salt ("iodized salt").
After gaining electron Chlorine becomes an <em><u>anion.</u></em>
<em><u>and </u></em><em><u>it's</u></em><em><u> </u></em><em><u>symbol</u></em><em><u> </u></em><em><u>is</u></em><em><u>. </u></em>

Hope it helps
Answer:B
Explanation:
It keeps the mayonnaise together I think