The answer is 400 million gallons
Here's a few: Gold, Titanium, Zicronium, Cement, and Soda Ash.
The water cycle consists of three major processes: evaporation, condensation, and precipitation. Evaporation is the process of a liquid's surface changing to a gas. In the water cycle, liquid water (in the ocean, lakes, or rivers) evaporates and becomes water vapor.
yes most jobs are primary, secondart, tertiary, and quaternary
The answer is: waterfalls can usually be found wherever there is lots of erosion or where there is steepness in the river's channel.