Answer:
the balloons will repel each other when they are close to each other because the same material has been used to charge them so showing that they have the same charge
Main Ideas are mostly found at the beginning of the paragraphs. They are the most discussed subject in the topic.
The coach announced the starters while the players sat on the bench.
I say its C. Logic is easily understood
The noun in the sentence is "logic" which is abstract since it can't be seen or touched.
Hope this helps :)
