Detailed Instructions: 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: At higher temperatures, particles of reactants have more energy, so they move faster.
 Question: On a winter day, a person notes during a science project that the reactants have less energy, so they are now moving 
 Choices: A)faster 
B)slower
A:
slower