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 hotter a resistor becomes the more resistance it has.
 Question: If Milo increases the heat he applies to a resistor, what happens to the resistance? 
 Choices: A)increases 
B)decreases
increases

Paragraph: Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.
 Question: For radio transmissions, shorter wavelength waves have 
 Choices: A)higher or 
B)lower frequencies.
higher or

Paragraph: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
 Question: When water absorbs salt the water becomes 
 Choices: A)more dense 
B)less dense

more dense