I think it’s B:)
Hope this helps.
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
Answer:
Good morning, Queen Messy here!
Yes, it is a concrete noun because you can touch, smell, taste, see and also maybe hear it.
Explanation:
You're welcome (:
Answer:
Mobile phone is doing good to students. This is because a lot of things we do are online now and phones are portable. So if a teacher announced in an email that there was a surprise test they would know and could study.
