Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
Microscopes were first developed in the early 1600s by eyeglass makers.

Ex Output:
Microscopes were first developed in the early 1600s by this trade?


Ex Input:
Compression zones is the opposite of rarefaction zones, where air molecules in waves are loosely packed.

Ex Output:
What is the opposite of rarefaction zones, where air molecules in waves are loosely packed?


Ex Input:
Carbohydrates are an important group of biological molecules that includes sugars and starches.

Ex Output:

Carbohydrates are an important group of biological molecules that includes sugars and these?