Some people believe that money can buy happiness. Dr. Goodwin wants to determine whether paying people plays a role in their happiness. The level of happiness would be considered to be the variable.

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.

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.

answer; hepatitis a& b can be passed through breast milk; (true);