15mL because if it started as 20 mL and went to 35mL when u put in pyrite, the pyrite takes up 15mL
Answer:
D
Explanation:
Because 30c is kevin and add 303+30=333-30=303
Answer:
When one object uses force to move the other.
Explanation:
This is called Thrust.Thrust is used in airplane engines,or an engine can be a source of Thrust,we use our legs to Thrust us forward when we walk!
valence electron is an outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed; in a single covalent bond, both atoms in the bond contribute one valence electron in order to form a shared pair.