Answer: Yes with possible slight variation A main idea is more general, while a concept is more specific. For example in an essay about child labour you could say the main concept is child labor, but the main idea is how to combat child labor.
Explanation:
So, you may understand what is being read or said aloud.
Answer:
Sailing/ compass and stars
Explanation:
Hope this helps
Answer:
D) With the help of local volunteers, many parks and reserves manually remove invasive plants and often animals.
Explanation:
It's the only answer that makes sense.
It's C because the subject is " the new coaches " and the predicate is the rest.