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).

[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?
[A]: sack of feathers


[Q]: Paragraph: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
 Question: Molly was viewing electromagnetic waves and noticed a wave with a wavelength of 20nm and another with 10nm. Which likely has more energy? 
 Choices: A)the 20nm wave 
B)the 10nm wave
[A]: the 10nm wave


[Q]: Paragraph: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.
 Question: Dean wants to melt chocolate to drink in his milk. He puts a big piece of chocolate in, and a small piece of chocolate in. The piece with less surface area, which will melt second, is the piece that is 
 Choices: A)bigger 
B)smaller
[A]:
bigger