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: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
 Question: Molly was viewing electromagnetic waves and noticed a wave with a wavelength of 20nm and another with 10nm. Which likely has more energy? 
 Choices: A)the 20nm wave 
B)the 10nm wave
[A]: the 10nm wave


[Q]: Paragraph: Water becomes more dense when it is colder and when it has more salt.
 Question: What happens to water when it absorbs less salt? 
 Choices: A)lower density 
B)Higher Density
[A]: lower density


[Q]: Paragraph: An object with greater mass or greater velocity has more kinetic energy.
 Question: When a car has less velocity what happens to its kinetic energy? 
 Choices: A)increases 
B)decreases
[A]:
decreases