Title: Transistor.
Question: What is the purpose of a junction forward voltage?

Title: Sumer.
Question: How many cultures may have fused together in Eridu?

Title: Financial crisis of 2007%E2%80%9308.
Question: When did Moody's and Standard & Poor downgrade a significant number of IndyMac's MBS bonds?

Title: British Empire.
Question:
Which ocean did the Suez Canal connect the Mediterranean to?