Given the task definition and input, reply with output. 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: The more acidic a solution is, the closer its pH value will be to 0
 Question: If Mona is making lemonade and she increases the acidity of it by adding more lemons, what happens to its closeness to pH 0? 
 Choices: A)increases 
B)decreases
increases