There can be two, solid (Hail) and liquid (Water).
The answer is B, Genetic diversity because it is when they combine to form a new organism they both contribute their hereditary factors.
Be careful on this one! Mass is always conserved, based on the law of conservation of mass. Since their was a change in state, we went from a solid to a gas, so, the weight would be lighter, not the mass.
Same amount of mass.
There is one atom in a Monoatomic Ion whereas Many in Polyatomic.
It's simple!!! you're Welcome:)
