Answer:
Fact
Explanation:
History is fact, it's apart of the past, something that has already happened.
Lose is to lost as found is to find
Ahem. think of it this way, what word is interjecting
Answer:
some comet are very difficult to see because they are made of water and dust and they reflect light very well, so scientists only know about those that make regular appearances, and some comets have not been discovered yet and due to that scientist both sky watchers and strong telescope to report new comets and only them can identify them, although some comet can be seen easily by ordinary people
Explanation:
Although some comet are difficult to see, scientist uses sky watchers to help them to spot them, they also use strong telescope to identify them
Correct ones should be
C
A
B
D
D