Air pollution; smoking in the house
Answer:varied in size
Explanation:Galaxies vary in appearance. Galaxies differ greatly in size. Some contain as few as a hundred million stars, but the biggest have more than a trillion stars. Galaxies also vary in shape.
Answer:
ATP produces CO2 and O2 molecules.
Explanation:
Your welcome luvv!!
Answer: hey!
its important because it gives your brain a chance to rest and to reboot its self
Explanation: hope this helps (º–º)
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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