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).

[EX Q]: Paragraph: The closer the charged objects are, the stronger the electrostatic force.
 Question: Will was pulling some magnets apart. When is the electrostatic force the highest? 
 Choices: A)when the magnets are close 
B)when the magnets are far
[EX A]: when the magnets are close

[EX Q]: Paragraph: The more tightly packed the particles inside the material are, the more dense we say they are.
 Question: Sasha is throwing bottles into the lake. Some bottles are filled with sand, and some only have a tiny bit of sand in them. The bottles with a tiny bit of sand will sink last because they are 
 Choices: A)less dense 
B)more dense
[EX A]: less dense

[EX Q]: Paragraph: As the population increases, the food supply, or the supply of another necessary resource, may decrease.
 Question: A _____ in the population cold lead to less food availability. 
 Choices: A)increase 
B)decrease
[EX A]:
increase