An iron mine produces 1.67 104 tons of raw ore per day. If the ore is 26.39 elemental iron, the mine produces ________ pounds of elemental iron per year. (Assume the mine operates 365 days per year.)
A) 1.221 1010
B) 8.814 106
C) 3.217 109
D) 1.611 106
E) 3.66 1011
Question 2
Crystalline solids ________.
A) have their particles arranged randomly
B) have highly ordered structures
C) are usually very soft
D) exist only at high temperatures
E) exist only at very low temperatures