Question: How might you figure out what a parts are needed to let your car drive?
Choices:
text: think very hard until you figure it out
label: A
text: ask the person who invented it
label: B
text: throw it in a lake and see if it floats
label: C
text: break it down and determine what it is composed of
label: D
Answer: D
Fact: the composition of something can be used to identify that something