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: Older age, male gender, and a family history of cardiovascular disease all increase the risk of developing cardiovascular diseases and cant be controlled.
 Question: Donald is elderly, and Shane is young. Donald's risk of cardiovascular diseases, compared to Shane's is 
 Choices: A)greater 
B)lesser
[A]: greater


[Q]: Paragraph: The more dense the medium, the slower the light moves.
 Question: A very rarefied medium will cause light to move 
 Choices: A)faster 
B)slower
[A]: faster


[Q]: Paragraph: The pupil automatically gets bigger or smaller to let more or less light in as needed.
 Question: Your pupils will _____ in size if you need less light to see. 
 Choices: A)decrease 
B)increase
[A]:
decrease