Q: Harald ___ Gromson was the king of Denmark in the 10th century and is regarded as having united Denmark, Norway, and Sweden. How is his name popular in the technological world?
What is the answer?

A: bluetooth

Q: An oophorectomy is an operation to remove which part of the body?
What is the answer?

A: ovary

Q: Used primarly to measure the distance between stars, what unit of length is defined as 9,460,730,472,580.8 km?
What is the answer?

A: lightyear

Q: Name the only G8 nation whose law, subject to challenge in 2011, requires a married couple to adopt only one surname?
What is the answer?

A:
japan