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.
In the seventeenth and eighteenth centuries, the primary goal of mercantilism as practiced by European countries was to expand the supply of gold and silver by approving balance trading. Mercantilism is an economic nationalism that promotes to in creating a wealthy and powerful state.
Like a Food chain, so something eats something to grow
