The topic sentence is the first sentence of the paragraph.
Answer:
I would say c. If it is a multipul choice, then b and c.
Explanation:
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I believe it is 4 because it seems more reasonable
I am not sure what we are supposed to do here, if you don’t mind explaining :)
Pollution how it is affecting the climate or racesim still going on or the gmos genetically modified organisms that we eat every day
