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: If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.
 Question: Penny added salt to her cup of water and noticed the water got _____. 
 Choices: A)thicker 
B)thinner

A: thicker
****
Q: Paragraph: Bigger stars produce more energy, so their surfaces are hotter.
 Question: Would a small star be 
 Choices: A)hotter 
B)colder

A: colder
****
Q: Paragraph: In erosion, a slower moving stream will only carry smaller particles.
 Question: If the speed of a stream increases, the size of the particles carried in that stream 
 Choices: A)increase 
B)decrease

A:
increase
****