Answer:
These are Kepler's Laws of Planetary Motion
Explanation:
Oxygen in the atmosphere is a molecule because it contains molecular bonds. It is not a compound because it is made from atoms of only one element oxygen. This type of molecule is called a diatomic molecule, a molecule made from two atoms of the same type
D melting ice cream because if u know what a physical change is its a change that you can reverse chimical change are changes you cant reverse so u can freeze back ice cream so :D
The total pressure is given by
A system a STP will have a total pressure of 101.325KPa, and so we make P_C the subject of the formula and solve