Which statements describe the Sun? Check all that apply. It is the center of the solar system.
It is made up mostly of gases, not solids.
It is ancient, at over 10 billion years old.
It is the most massive object in the solar system.
It is composed mostly of oxygen and nitrogen.

Please no links. Doing it on edge 2021

How do living things obtain phosphorus

Why are common names a problem for scientist?

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.