Answer:
The level of happiness would be considered to be the dependent variable.
Explanation:
Since some people believe that money can buy happiness, the level of happiness would be considered to be the DEPENDENT VARIABLE, because happiness is now dependent on money and the level of money given to a subject would be considered to be the independent variable.
On the leeward side of a mountain range. In order for most rain bearing cloude to cross a mountain range, they must first be depleted of their moisture via precipitation. Then they will be lighter and can rise up to a higher elevation to cross over the mountain range where they will no longer be able to provide much precipitation.
The answer is Digestive system :)