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: Temperature affects the rate at which photosynthesis, cellular respiration and decomposition take place. The rate of reaction increases with increasing temperature and decreases at lower temperatures.
 Question: john was watching the rate of reactions going on in some plants. he noticed that the rate decreased when the temperatures 
 Choices: A)increased 
B)decreased
decreased