What is the approximate percentage of grain production in the U.S that is used for feeding livestock?
A) 70 percent
B) 90 percent
C) 50 percent
D) 30 percent
E) 10 percent
Question 2
An 80.0 g sample of metal A displaces 20.0 mL of water, while a 56.0 g sample of metal B displaces 14.0 mL of water. The conclusion one may draw from this information is that ________.
A) A and B are the same metal
B) A and B are not the same metal
C) A and B may be the same metal, but more studies are needed to decide if they are the same
D) The above results tell us nothing about the nature of A and B.