Question

Refineries turn __________ into many products, which are then used to make things like DVDs, crayons, and plastics.
A.
bauxite
B.
natural gas
C.
petroleum
D.
iron

Answer 1

Definitely not B or C because really, Petroleum and Natural gas?

Answer 2

Bauxite is not a mineral, but rather a group of aluminum oxides. The term is generally used to describe the economically important mixture of these minerals, which form a mass of the individually classified members of Gibbsite, Boehmite, and Diaspore. http://www.minerals.net/mineral/bauxite.aspx

Answer 3

Which one do you think? :)

Answer 4

D or A

Answer 5

I guess A