Answer:
It would be the sun! aka b
Explanation:
Energy from the sun and the force of gravity drive the continual cycling of water among these reservoirs. As the water is heated, it changes state from a liquid to a gas. This process is called evaporation. As more energy is added to the water, the water molecules move faster and farther apart.
Answer A. Innate.
We do not know if it is a trait that all humans are born with (which would be innate), or if it's something that we develop as we grow older.
The other words wouldn't make sense in the place of innate.
The author considered the dominant personality in nineteenth-century American novels was Mark Twain.