Category: Asimov Anthony: Which of Humfrey's wives was a demoness?

Questions

This queen of France was beheaded in 1793?

This ugly creature has patches of red on his rear end?

Three chemical elements are magnetic, iron, nickel & what?

Tissue or organ of the animal body characterized by the ability to contract, usually in response to a stimulus from the nervous system?

To what instrument family do "french horns" belong?