<span>A central or a main idea is an idea around which your entire paper or essay or paragraph or whatever it is you're writing, revolves. You have a central idea that you're trying to convey and everything you write or say somehow relates to that idea and proves a point that you're trying to make.</span>
Answer: It is effective. It supports the claim clearly and logically
Explanation:
The choice that best describes the reason the author provides is that it is effective as it supports the claim clearly and logically.
This can be deuced from the passage as it was said that there will be a problem of illegal substances in sports unless there are stronger laws which can checkmate the people involved and thereby reducing to it to minimal.
Explanation:
Chavs is a UK derogatory slang word for a young hooligan who wears designer clothes and starts fights, usually seen as lower class.