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!
As an English speaker the advice i give to someone who wants to learn English would be it does take time but it's actually not that hard to learn English you just need to keep practicing and try to talk with the words you know so you can get used to it.
Answer:
You will have someone to talk to so you can relieve your stress and feel happier, studies have shown that the more friends you have, the more social you will become, and the lesser depression or anxiety you will have !
I need to hurry and go to the library; it will close soon.