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: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.
 Question: Would Jim's solution become more or less acidic if he decreased the concentration of hydrogen atoms in it? 
 Choices: A)more acidic 
B)less acidic
less acidic

Paragraph: The gravitational force between two objects decreases as the objects move further apart.
 Question: Tinna held two magnets together and felt _____ force. 
 Choices: A)more 
B)less
more

Paragraph: As the rocks move deeper into the Earth, temperature and pressure increase.
 Question: Ulysses pilots his drill ship deep into the Earth's core, then back up. His ship is subjected to _____ temperature and pressure at the surface. 
 Choices: A)less 
B)more

less