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: Bigger stars produce more energy, so their surfaces are hotter.
 Question: Milo is trying to heat his room with a space heater. If he turns up the thermostat to a hotter setting, which is happening to the energy the heater is producing? 
 Choices: A)increasing 
B)decreasing

A: increasing
****
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
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Q: Paragraph: Therefore, increasing the surface area of solid reactants increases the reaction rate.
 Question: Katie is looking at solid reactants, and is wondering how they will react. The reaction rate is increased in surface areas which are 
 Choices: A)larger 
B)smaller

A:
larger
****