Q: Read the passage below and choose the right answer to the following question (choices are decreased. or increased or ): The higher up a food chain that humans eat, the greater the levels of toxic metals they take in. Sarah ate a piece of shark meat for dinner, Sarah's levels of toxic metals have decreased. or increased or?
A: increased or

Q: Read the passage below and choose the right answer to the following question (choices are lesser or greater ): Machines make work easier by increasing the amount of force that is applied, increasing the distance over which the force is applied, or changing the direction in which the force is applied. Kate makes a machine that is very productive, and it gets work done quickly, because it uses force in amounts that are lesser or greater?
A: greater

Q: Read the passage below and choose the right answer to the following question (choices are increases or decreases ): The farther apart you move your hands, the stronger the force of the rubber band pulling your hands together. Alan has a rubber band on his hands. He pulls his hands apart and the rubber bands force increases or decreases?
A: increases

Q: Read the passage below and choose the right answer to the following question (choices are the people in the United States or the people in the Democratic Republic of Congo? ): Richer nations use far more energy resources, especially fossil fuels, than poorer nations do. Between the United States, the richest nation in the world, and the Democratic Republic of Congo, the poorest nation in the world, which uses more gasoline per capita, the people in the United States or the people in the Democratic Republic of Congo??
A: the people in the United States