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 similar the DNA molecules of different species are, the closer the relationship is likely to be.
Question: If Mona is comparing two species and she notices that their DNA molecules are more similar, what does that tell her about the species relationship?
Choices: A)distance relationship
B)close relationship
close relationship

Paragraph: The trade-off when the threads are closer together, is that more turns of the screw or bolt are needed to do the job because the distance over which the input force must be applied is greater.
Question: If you need to turn a screw more times that requires
Choices: A)less force
B)more force
more force

Paragraph: With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.
Question: Eric measures 20 hydrogen ions per 100ml in one solution. Another solution has 30 hydrogen ions per 100ml. The solution with more hydrogen ions is _____ acidic.
Choices: A)more
B)less
more