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: Fred was moving a desk across the room. He then pushed a chair and it was much easier. This is because the lighter chair had _____ friction with the floor. 
 Choices: A)less 
B)more

A: less
****
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: Mary melts a 1 pound chocolate bar and 1 pound of chocolate chips in two pots. Which melts first? 
 Choices: A)bar 
B)chips

A: chips
****
Q: Paragraph: Gravity is a pull which all matter exerts on all other matter, the more mass, the stronger the pull.
 Question: During a game of tug-o-war, two teams are pulling a rope, the team that will pull the hardest has people who weigh 
 Choices: A)more 
B)less

A:
more
****