Title: Hydrogen.
Question: What are two forms of hydrogen gas?

Title: Muammar Gaddafi.
Question: In addition to gaining an education, describe how Gaddafi managed to attend school 20 miles from his family.

Title: Israel.
Question: How much is Israel's water technology industry worth?

Title: IPod.
Question:
What's the name of the software used to manage music and other media on Apple devices?