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).

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 Jim downgrades his computer to a less powerful model, what happens to the amount of work it can perform? 
 Choices: A)it can perform more work then before 
B)it can perform less work then before
it can perform less work then before

Paragraph: The closer objects are, the stronger the gravitational pull between them.
 Question: Mary is looking through her new telescope. She sees some objects in space that are exerting gravitational pulls on each other. If the first two objects are 50,000 miles apart, and the second set of objects are 100,000 miles apart from each other, then the gravitational pull of the first set of objects is 
 Choices: A)greater 
B)less.
greater

Paragraph: Larger alkenes have lower boiling and melting points.
 Question: A smaller alkenes will melt _____ than a smaller one. 
 Choices: A)sooner 
B)later

later