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 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: Compared to a drywall screw with a coarse thread, would a lag bolt of the same length with a very fine thread require 
 Choices: A)fewer turns to drive into a hole> 
B)more turns to drive into a hole
more turns to drive into a hole

Paragraph: The smaller a population is, the more allele frequencies may drift.
 Question: If Milo is part of a smaller population then Jerry is, which person's population will experience greater drifting of allele frequencies? 
 Choices: A)Milo 
B)Jerry
Milo

Paragraph: Because these isotopes decay more slowly, they can be used to date much older specimens.
 Question: Ron is trying to figure out how old some isotopes are. The isotopes are decaying very slowly, so they are likely specimens that are 
 Choices: A)older 
B)younger

older