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: As more resistors are added in series, the total resistance of the circuit increases.
 Question: If Ed adds a resistor to the circuit, the resistance will be 
 Choices: A)greater 
B)lower.
greater

Paragraph: The hotter a resistor becomes the more resistance it has.
 Question: A warming resistor will _____ in resistance. 
 Choices: A)increase 
B)decrease
increase

Paragraph: An increase in predators, the emergence of a new disease, or the loss of habitat are just three possible problems that will decrease a population.
 Question: Lizzie visited a village where an illness wiped many people out. The population got 
 Choices: A)larger 
B)smaller

smaller