B. it states the main idea i.e. the topic of the essay
Answer:
I am unable to see the sentences.
Answer:
1C 2B 3A 4C 5B 6C 7B 8D 9A 10D 11C 12A 13A 14B 15A 16A 17B 18A 19B 20C
Explanation:
Hope this helps
Answer: positive
Explanation:
Positive connotations refers to the associations which are affirmative or good and has good feelings. They give positive emotions.
From the information given, the word wonder has a positive connotation. From the sentence "Like many improbable ideas, when it actually works, it's a wonder", wonder here can also mean miracle and this brings positive feelings.
Answer:
Definition of preclude: to make impossible by necessary consequence : rule out in advance.
Explanation:
Preclude is often used in legal writing, where it usually refers to making something legally impossible. A new law may be passed by Congress to preclude any suits of a certain kind against a federal agency, for example. Some judges have found that the warnings on cigarette packs preclude any suits against the tobacco companies by lung-cancer sufferers. But there are plenty of nonlegal uses as well. Bad weather often precludes trips to the beach, and a lack of cash might preclude any beach vacation at all.
