Answer the question below:   A sound wave that has more frequency will have more or less energy?    Assuming that:  A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
more

Answer the question below:   If Mona cools down the air she is putting into her weather balloon, what will happen to the height that it can rise into the troposphere increase or decrease?    Assuming that:  Warm air is less dense than cool air, so it rises higher in the troposphere.
decrease

Answer the question below:   An object with a lesser mass than another will have less or more momentum?    Assuming that:  An object has greater momentum if it has greater mass, greater velocity, or both.
less

Answer the question below:   A small nation decided to ramp up its production capabilities and built several large factories. Would the river next to the factories have more hazardous waste or less hazardous waste??    Assuming that:  Nations that have more industry produce more hazardous waste.
more hazardous waste