What was the first sound recording machine?

In the mid-1960s scientists created the two person gemini spacecraft that achieved many things in space. this new three person spacecraft took americans to the moon in july of 1969. a. discovery c. explorer b. columbia d. apollo

What are the similarities and differences between byzantine empire and kiev russia

Profit is the term for that is left over after the costs have been paid in a budget or business. a) money. b) supply. c) demand. d) tax