Question: Answer the following question given this paragraph: Figure 28.14 Classically, velocities add like ordinary numbers in one-dimensional motion. Here the girl throws a snowball forward and then backward from a sled. The velocity of the sled relative to the Earth is relative to the Earth is. Q: What determines velocity? A:
OPTIONS:
- direction
- change in direction
- mass per unit
- distance over time in a given direction
Answer: distance over time in a given direction

Question: Answer the following question given this paragraph: Lobsters are one kind of arthropod food source. Q: Lobsters are what kind of food source? A:
OPTIONS:
- combination
- mollusc
- sauropod
- arthropod
Answer: arthropod

Question: Answer the following question given this paragraph: The wind belts have names. The Trade Winds are nearest the equator. The next belt is the westerlies. Finally are the polar easterlies. The names are the same in both hemispheres. Q: The trade winds are nearest what? A:
OPTIONS:
- boundary plates
- poles
- inland
- equator
Answer:
equator