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

Ex Input:
Energy do ecosystems absorb on the earth.

Ex Output:
What do ecosystems absorb on the earth?


Ex Input:
The seven unique crystal types are defined by faces parts of themselves (parts that intersect at various angles).

Ex Output:
The seven unique crystal types are defined by what parts of themselves (parts that intersect at various angles)?


Ex Input:
Something that has all of the characteristics of life is considered to be alive.

Ex Output:

Something that has all of the characteristics of life is considered to be what?