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: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
 Question: If we tested a substance and the number was high on a pH test then the item is 
 Choices: A)acidic 
B)basic
basic

Paragraph: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
 Question: If you tried to push a sack of feathers or a sack of hammers, both of the same volume, would it be easier to push the 
 Choices: A)sack of feathers 
B)sack of hammers?
sack of feathers

Paragraph: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.
 Question: Jon was jogging, and quickening his pace. His heart is beating _____. 
 Choices: A)more 
B)less

more