Misc: In 1951 Julius & Ethel ---------- , atomic spies, sentenced to death ?

Questions

What is the ratio of the speed of an object to the speed of sound in the surrounding medium?

What is the real identity of aquaman?

What is the region loosely defined by geography and culture, located in southwestern Asia and northeastern Africa?

What is the registry number of the enterprise in the original star trek?

What is the relatively constant, but dynamic internal environment necessary for life?