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: If the gas is heated, the particles will move faster as they gain more energy.
 Question: Bob heats up some gas at the plant. When he does this, the gas particles move faster and 
 Choices: A)gain energy 
B)lose energy.
gain energy

Paragraph: The hotter a main sequence star is, the brighter it is.
 Question: A main sequence star that is not bright is not among the _____ stars 
 Choices: A)hottest 
B)coolest
hottest

Paragraph: The more field lines that are drawn, the stronger the field.
 Question: If Jim decreases the amount of field lines drawn what will happen to the strength of the field? 
 Choices: A)decrease 
B)increase

decrease