What is false air?

How do you write 3069 in word form? What is the volume of a cylinder in milliliters if the height is 11 cenimeters and the radius is 4 cenimeters? What are the examples of commutative? What is the difference between a full occurrence policy vs a full occurrence with manifestation vs occurrence with manifestation and sunset clauses? What do you call the vertical and horizontal movement of the Earth's crust that produces mountains? What are examples of something 1 km long? What rhymes with scrummy? What about sessile polyp 10 mm or bigger? How many significant figures are in 0.0030 s? What is 1 square number subtract another square number equals 5? How many time is 12 by 16 square foot equal to a square foot? What is 7h plus 39 equals 60? How do you spell hypotenuse? Why is there two numbers named a trecentillion - 1 followed by 312 zeros and 1 followed by 903 zeros? What are two rules when performing a throw in? Is a temperature of 20 degrees Celsius colder than 40 degrees Fahrenheit? What is the interquartile range in these numbers 93 92 89 85 82 80 77 74 71 63? What is formula of square meter? How many gallons of water are in a 4 ft x 2 ft x 1 ft tank? What things are measured in cubic unit?