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 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 rock is _____ dense than the ball. 
 Choices: A)less 
B)more
more

Paragraph: However, the melanocytes of people with darker skin produce more melanin.
 Question: The darker someone's skin is the _____ melanin they have. 
 Choices: A)less 
B)more
more

Paragraph: The longer the resistor, the more resistance it has.
 Question: It Jim makes his resistor longer, the resistance is exhibits is 
 Choices: A)smaller 
B)greater

greater