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: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.
 Question: If Mona downgrades her old computer to a less powerful model, what happens to the amount of work her computer can do? 
 Choices: A)decrease 
B)increase
[A]: decrease


[Q]: Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: DJ has a solution that he adds particles to. The solution is now a _____ concentration. 
 Choices: A)higher 
B)lower
[A]: higher


[Q]: Paragraph: The further objects are away from each other, the smaller the gravitational force.
 Question: If Jim is playing with two objects and he moves them closer together to each other, what will happen to the gravitational force between the two objects? 
 Choices: A)increase 
B)decrease
[A]:
increase