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).

[Q]: Paragraph: Rougher surfaces have more friction between them than smoother surfaces.
 Question: A piece of sandpaper was rubbed across a glass table, then the sandpaper was rubbed across some gravel. The friction will be less between 
 Choices: A)the sandpaper and the glass table or 
B)the sandpaper and the gravel.
[A]: the sandpaper and the glass table or


[Q]: Paragraph: We can say that resistance and current in an electric circuit areinversely proportional, because as the one increases, the other decreases, and vice versa.
 Question: If Mary increases the resistance of her electrical circuit, what will happen to the current in that circuit? 
 Choices: A)increase 
B)decrease
[A]: decrease


[Q]: Paragraph: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.
 Question: An decrease in birth rates indicates a/an _____ in the food supply. 
 Choices: A)decrease 
B)increase
[A]:
decrease