What percentage composition of hydrogen atom in water H2O2 to (H=1, O=16)​

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.