Q: Read the passage below and choose the right answer to the following question (choices are more or less ): The more efficient a device is, the greater the percentage of usable energy it produces. If a device were to become less efficient, it would produce more or less usable energy?
A: less

Q: Read the passage below and choose the right answer to the following question (choices are windy or no wind ): The stronger the winds are blowing, the larger the waves are and the more energy they have. Evan surfs the waves on a day when it is windy, and then he goes back the next day when there is no wind. Which waves likely had less energy windy or no wind?
A: no wind

Q: Read the passage below and choose the right answer to the following question (choices are Ben or Anna ): When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction. If Ben exercises daily, and Anna exercises only weekly, who has a stronger heart Ben or Anna?
A: Ben

Q: Read the passage below and choose the right answer to the following question (choices are increase or decrease ): The faster, longer, and farther the wind blows, the bigger the waves are. Mona is sitting at the beach watching the waves. If the wind starts blowing faster, what will happen to the size of the waves increase or decrease?
A: increase