You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

[EX Q]: Paragraph: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
Question: If you tried to push a sack of feathers or a sack of hammers, both of the same volume, would it be easier to push the
Choices: A)sack of feathers
B)sack of hammers?
[EX A]: sack of feathers

[EX Q]: Paragraph: The more efficient a device is, the greater the percentage of usable energy it produces.
Question: Theresa made a device that uses 25% of usable energy. Ryan made a device that uses 10% of usable energy. _____ made a device that is more efficient.
Choices: A)Theresa
B)Ryan
[EX A]: Theresa

[EX Q]: Paragraph: In transipration, at warmer temperatures water molecules move faster, and the rate of evaporation from stomata is therefore much faster.
Question: Donna wants to have her water molecules move slower hrough transpiration, so she will make the temperature
Choices: A)cooler
B)warmer
[EX A]:
cooler