Answer:
That is true
Explanation:
Adenine pairs with Uracil and Cytosine pairs with Guanine. A-U and G-C
When someone smokes cigarettes and drinks three alcoholic beverages a day, he or she is contributing to his or her cancer risk via <span>promotion.
Researchers have discovered that the combination of tobacco and alcohol increases the risk of cancer in </span>throat, oral cavity, esophagus and <span>larynx.
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Answer:to scare off a predator
Explanation:
I am not 100% sure but I believe that because of increased manufacturing, the air got very polluted and this made many trees darker, like birch. So moths are usually lighter in color so many couldn’t really hide among trees and they were eaten. After some time, many moths mutated and also became darker to blend in when they were on trees to prevent being eaten by predators. In conclusion, the population decreased.
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