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: Countries with more industry produce more hazardous wastes than those with little industry.
 Question: James loved to travel the world. In his travels, he noticed that America contained a lot of industry while China contained not much industry at all. Which country produced less hazardous wastes? 
 Choices: A)America 
B)China
[EX A]: China

[EX Q]: Paragraph: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
 Question: Mary was performing experiments with atoms in her lab. She was measuring energy levels at various distances from an atom's nucleus. Would measurements taken closer to a nucleus result in 
 Choices: A)lower energy levels? 
B)greater energy levels or
[EX A]: greater energy levels or

[EX Q]: Paragraph: Because these isotopes decay more slowly, they can be used to date much older specimens.
 Question: Ron is trying to figure out how old some isotopes are. The isotopes are decaying very quickly, so they are likely specimens that are 
 Choices: A)older 
B)younger
[EX A]:
younger