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: More recently, the death rate has fallen because of the availability of more food and medical advances.
 Question: When the villagers are dying sooner, the food source is likely 
 Choices: A)great 
B)small
small

Paragraph: Air in the troposphere is warmer closer to Earths surface.
 Question: Micah is leaving the atmosphere, leaving in a rocket from the Earth's surface.As he's passing through the troposphere, the air is going to get 
 Choices: A)warmer 
B)colder
colder

Paragraph: Warmer molecules vibrate faster than cooler ones.
 Question: Eric decreased the heat of the molecules. They now vibrate 
 Choices: A)faster 
B)slower

slower