How much air pressure does it take to lift 200 lbs a thousand feet?

When two shapes fit each other excatly? What is the translation of 6789 in Hindu Arabic? What is Fahrenheit to kelvin? How many corners in a pyramid? What are the names of polygons 21 to 100? How do you prove that 540 plus 219 is a Prime Number? How many minutes in 2.6? Why do you say a rectangle is a speacial case of a parrallelogram? What is the difference between math and physics? Is 20 decades greater than or less than 2 centuries? What fraction is greater three over four or seven over eight? How long did it take Adam to name all the millions and millions of animal species and sub-species? What does crigga mean? What is the use of the mesuring cylinder? What is the perpendicluar bisector therom? How do you write twenty five thousandths in stander form? What is thirty three and one third percent of ninety? Is odd number lucky? What is Plutos surface? Which combination of gates does not allow the implementation of an arbitrary boolean function?