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: Bigger atoms have more electrons.
 Question: An elephant, compared to a dog, will have a number of electrons that is 
 Choices: A)larger 
B)smaller
larger

Paragraph: For a given medium such as air, sound has a slower speed at lower temperatures.
 Question: If Mary is blowing an air horn underwater and she raises the temperature of the water, what will happen to the speed of the sound waves generated by the air horn? 
 Choices: A)increase 
B)decrease
increase

Paragraph: Bigger stars produce more energy, so their surfaces are hotter.
 Question: Jan is comparing stars, specifically a large star and the smaller Sun. Given the size of each, Jan can tell that the Sun puts out heat that is 
 Choices: A)lesser 
B)greater
greater