Teacher: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).
Teacher: Now, understand the problem? Solve this instance: Paragraph: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.
 Question: Dean wants his solution to be as acidic as possible, so his concentration of hydrogen ions will be 
 Choices: A)lower 
B)higher
Student:
higher