Question 2(g) PART-WHOLE: Object:Stuff

Consider the following word pairs:

glacier:ice
salt:sodium
lens:glass

What relation best describes these X:Y word pairs?

X is made of / is comprised of Y
a Y represents/is representative of X
to X is to have a Y receive some object/service/idea
X enables the use of Y

Correct Answer:

X is made of / is comprised of Y

