*Question*
Read the passage below and choose the right answer to the following question (choices are increase or decrease ): New farm machines were invented. They increased the amount of food that could be produced. With more food, people were healthier and could live longer. Jefferson built a faulty farm machine that decreased food production. This likely will cause the population's lifespan to increase or decrease?
**Answer**
decrease

*Question*
Read the passage below and choose the right answer to the following question (choices are slower or faster ): Water flowing over a steeper slope moves faster and causes more erosion. Water falling down a tall mountain will move slower or faster?
**Answer**
faster

*Question*
Read the passage below and choose the right answer to the following question (choices are up or down ): Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes. Will decreases the population of his model of the world's population. The amount of water scarcity, if no other variables are changed, will likely go up or down?
**Answer**
down

*Question*
Read the passage below and choose the right answer to the following question (choices are at rest or when stretched ): The elastic force increases the more the material is stretched or compressed. Joe is pulling a rubber band with his fingers. When does the band have the most elastic force at rest or when stretched?
**Answer**
when stretched