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

Ex Input:
After fertilization, a zygote forms into two cells.

Ex Output:
After fertilization, how many cells does a zygote form into?


Ex Input:
Half-life property of carbon and other elements can be used to date fossils and rocks, among other things.

Ex Output:
What property of carbon and other elements can be used to date fossils and rocks, among other things?


Ex Input:
Seeds of a pine cone are easily carried by the wind and dispersed because seeds have wings.

Ex Output:

Why are seeds of a pine cone easily carried by the wind and dispersed?