Question: Answer the question below:   If Jim eats animals that are higher on the food chain, the amount of toxic metals that enter his body are greater or smaller?    Assuming that:  The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
Answer: greater

Question: Answer the question below:   As a balloon deflates there is more or less air pressure forcing air out?    Assuming that:  Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
Answer: more

Question: Answer the question below:   Will weighed himself on a scale. He weighs less than last year. His force of gravitational attraction increased or decreased?    Assuming that:  The greater the objects mass, the greater the force of gravitational attraction.
Answer:
decreased