After the solar cycle takes place, bigger sun spots appear, flares appear, and the solar radiation changes.
If this doesn't answer your question, I'll try again. If there are options feel free to comment them as it can narrow down my choices.
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Demonstrative pronoun is the answer.
The answer is Anopheles <span>quadrimaculatus.. i really hope it helps you. i had that question before.</span>
If you compare the original DNA with the mutated DNA, the first C got “substituted” by an A after the mutation.
So the answer is (C) substitution.