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: Warm air is less dense than cool air, so it rises higher in the troposphere.
 Question: If Jim raises the temperature of the air inside his balloon, will his balloon rise higher into the air or sink towards the ground? 
 Choices: A)rise higher 
B)sink lower

A: rise higher
****
Q: Paragraph: The upper rock layers are much younger.
 Question: The archaeologist was digging and saw that the oldest rocks were in layers that were 
 Choices: A)shallower 
B)deeper

A: deeper
****
Q: Paragraph: If the gas is heated, the particles will move faster as they gain more energy.
 Question: Bob cools down some gas at the plant. When he does this, the gas particles move slower and 
 Choices: A)gain energy 
B)lose energy.

A:
lose energy.
****