Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Ex Input:
Question: How many nonpolar bonds does an oxygen molecule have? Answer: 2

Ex Output:
An oxygen molecule has two nonpolar bonds. This is called a double bond. The two oxygen atoms attract equally the four shared electrons.

Ex Input:
Question: Regulation of endocrine depends on the hypothalmus and what other gland? Answer: pituitary

Ex Output:
45.3 The hypothalamus and pituitary are central to endocrine regulation.

Ex Input:
Question: Which layer is found below the lithosphere? Answer: asthenosphere

Ex Output:
The asthenosphere is below the lithosphere. The asthenosphere is also in the upper mantle. This layer is solid, but it can flow and bend. A solid that can flow is like silly putty.