John is studying the different states of matter. Today, he has a matter in three states in front of him, state A, state B, and state C. State A is in solid state. State B is in liquid state. And, state C is in gaseous state. He needs to determine the properties of each state. In which state the particles are less free, state A or state B?
Ans: state A

Two coastal Canadian towns, Hammond and Soundville decided to start sand mining to bring more money to their budgets. A few months later however, Hammond decided to stop all mining operations and find other sources of income. they wanted to protect the environment. Which village harmed fewer fisheries?
Ans: Hammond

Ken and Stacy are two engineers discussing their plans about what source of energy they should use to generate electricity in a new city they are helping design. Ken feels that they should use coal since it's reliable, abundant and relatively cheap. Stacy argues that they should use solar power because there is an infinite supply of solar energy. Which person's plan will kill more animals?
Ans: Ken

James is attending a concert. When he first walks in the concert hall there aren't that many people there and it is relatively quiet. As the room fills up it starts to get a bit louder. And when the concert starts its so loud that it is almost painful for him as he is sitting near the speakers. Will the decibel levels have increased or decreased in the time since James arrived at the concert to when the show started?
Ans: increase