The mass of Hydrogen is 2 g/mol
The mass of Helium is 4 g/mol
Water on earth can exist in all 3 states: solid, liquid, and gas.
Earth is just the right distance from the sun so that temperatures are ideal for living organisms.
Earth has a protective atmosphere shielding the planet from harmful UV and X rays.
Answer:
C: object does not slide off the pan
Explanation: