Question: As the population increases, the food supply, or the supply of another necessary resource, may decrease.  A increase or decrease in the population cold lead to more food availability?
Answer: decrease

Question: When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.  When you use less force to move a car it will move less or move further?
Answer: move less

Question: Longer wires have more resistance than shorter wires.  If a wire were to be cut in half, each half would have more or less resistance than the whole wire?
Answer:
less