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

Over 90% of the energy we use comes originally from the sun.
Over 90% of the energy we use comes originally from what?

Overlapping food web an eagle, a land eater, goes and gets fish from the sea, as well, its called.
When an eagle, a land eater, goes and gets fish from the sea, as well, its called?

In humans, a zygote has 46 chromosomes.
In humans, a zygote has how many chromosomes?