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).

[Q]: Paragraph: The more tightly packed the particles inside the material are, the more dense we say they are.
 Question: Eric has a soccer ball and kicks it into a rock of roughly the same size. The rock doesn't move and the ball bounces away. The ball is _____ dense than the rock. 
 Choices: A)less 
B)more
[A]: less


[Q]: Paragraph: The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.
 Question: If a herd of elephants and humans are living happily in a forest and the humans then decide to move away, what happens to the elephants? 
 Choices: A)they decrease in number 
B)they increase in number
[A]: they increase in number


[Q]: Paragraph: Longer length resistors will offer more resistance than shorter resistors.
 Question: Ed is adding a resistor to a circuit. If he needs it to have more resistance, he should add a resistor that is 
 Choices: A)shorter. 
B)longer
[A]:
longer