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

Example Input: Humans have 23 pairs pairs of chromosomes.
Example Output: How many pairs of chromosomes do human have ?

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

Example Input: Phagocytosis is the term for cellular eating.
Example Output:
What is the term for cellular eating?