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: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
Question: If you are able to add greenhouse gases the temperature will
Choices: A)go up
B)go down
go up

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

Paragraph: The more energy the particles in matter have, the faster and more strongly they vibrate.
Question: Chris sees a particle with great energy. Chris knows it has lots of energy because it vibrates
Choices: A)weakly
B)powerfully
powerfully