Salutations!
<span>Which are examples of steroids?
Steroids is a construction collected of four- rings. They aren't quite lipids because it is a collection of four- rings. Cholesterol and vitamin D are examples of steroids. Vitamin D is formed by cholesterol because of metabolic reaction.
Thus, your answer is option A.
Hope I helped (:
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I believe the answer is that the CFCs cause low ozone concentrations in the atmosphere.
Sorry if I'm wrong, hope this helps.
Cell wall and Chloroplast
glucose- glucose molecules allows them to pass through the cell membrane into the cell.