Title: Transistor.
Question: Why does the collector voltage drop in grounded-emitter transistor circuits?

Title: Asphalt.
Question: What is done to crude bitumen to promote its movement through pipelines?

Title: States of Germany.
Question: Which article stipulates that the structure of each Federal State's government must "conform to the principles of republican, democratic, and social government, based on the rule of law"?

Title: Somalis.
Question:
What country is Cedar Rapids located in?