Answer:
6. protons, mass number from the atomic number
7. Li= ,
Answer:
3 AU
Explanation:
The distance from the Earth to the Sun is known as 1 AU, or 1 Astronomical Unit. If an asteroid is three times this distance, it is 3 AU away.
Answer:
B
Explanation:
the gravitational force is a big play.
Answer:
carbon because organic compounds are made up of hydrogen and carbon
