What is the area of a circle with a diameter of 19.2?

What is the correct order of events in the water cycle?

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts