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: Warming up exercises increases the blood flow to the muscles and increases the heart rate.
Question: James spent 30 minutes exercising while Mary spent only 10 minutes exercising. Which person had the higher heart rate?
Choices: A)Mary
B)James
James

Paragraph: The particles in matter are always moving. The more energy they have, the faster they move.
Question: Eric saw a fast moving particle and a slower one. The slow moving particle has _____ energy than the faster one.
Choices: A)more
B)less
less

Paragraph: More recently, the death rate has fallen because of the availability of more food and medical advances.
Question: Ian's town had more deaths this year since the food supply changed, which means that this year the food amounts were
Choices: A)increased
B)decreased
decreased