What is the name of the process that is responsible for the formation of elements heavier than hydrogen

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !