Answer: the sun, because it is its own star in the solar system. it is not a feature of the earth. meanwhile the geyser, core, and mantle are all things found in/on the earth. hope this helped!
D by mentioning the real-life figure of Napoleon Bonaparte
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
