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: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
 Question: Jeff cooled the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Choices: A)it increases 
B)it decreases
it increases

Paragraph: The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.
 Question: If Jim eats animals that are lower on the food chain, the amount of toxic metals that enter his body are 
 Choices: A)greater 
B)smaller
smaller

Paragraph: The farther the object is stretched or compressed, the greater its elastic potential energy is.
 Question: Donna contracts a rubber band further and further. The elastic potential energy of the rubber band will be 
 Choices: A)greater 
B)less
less