The one that presents a main idea is number (3) "Fire, in fact, has been a significant factor in human development and progress in many ways".
<u>The main idea of a paragraph states the primary point that the author wants to express and transmit to the reader</u>. Generally, the main idea is announced in a single sentence and this sentence is usually located at the beginning of a paragraph. In the case of the paragraph provided,<u> sentence 3) is the one that contains the main idea because it encompasses all the supporting details that are included in the rest of the sentences</u>. In other words, sentences 1), 2), 4), 5), 6) and 7) provide supporting information for the main point stated in sentence 3).
When you answer summary questions, give a quote from the text/reading and explain it in an additional sentence.
If Fido's incision looks as if it is infected, you should call the veterinarian immediately. It could get worse, and the vet can help you.
I clean my room so I can play.
