Answer:
B.) Carbon and Hydrogen
Explanation:
Lactose is a carbohydrate, and carbohydrates are primarily made of carbon and hydrogen chains.
There are two important regions of a lipid that provide the structure of the lipid bilayer<span>. Each lipid </span>molecule<span> contains a hydrophilic region, also called a polar head region.</span>
Answer:
Earth rotation...is the reason
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