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).

[EX Q]: Paragraph: Faster-moving water has more energy.
 Question: Ollie pours his water quickly while Fay pours her water slowly. Whose water contains more energy? 
 Choices: A)Ollie 
B)Fay
[EX A]: Ollie

[EX Q]: Paragraph: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
 Question: If Jim eats animals that are lower on the food chain, the amount of toxic metals that enter his body are 
 Choices: A)greater 
B)smaller
[EX A]: smaller

[EX Q]: Paragraph: We need to reduce our electricity consumption in order to reduce pollution.
 Question: Since most electrical plants burn gases what happens to pollution levels when we use more electricity? 
 Choices: A)decrease 
B)increase
[EX A]:
increase