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

Ex Input:
Some meteorites are made of iron and nickel and are thought to be very similar to the core of the earth.

Ex Output:
Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth?


Ex Input:
The human eye detect can detect three colors of light.

Ex Output:
How many colors of light can the human eye detect?


Ex Input:
The rising and sinking of these can cause precipitation?

Ex Output:

The rising and sinking of these can cause precipitation?