Answer:
I'm pretty sure its B. voluntary-response bias
<span> </span>Stars<span> are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of </span>stars<span> provides enough energy to make them shine brightly for many years. The exact lifetime of a </span>star<span> depends very much on its size. I hope that answers your question. :)</span>
<span>The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipidsand proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and aphosphate-linked head group.
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