Is housework countable or uncountable

Does it matter if a postage stamp is crooked on a letter? How deep is 2.4 ATA? Is 31 plus 0 equals 31 is an example of what property? What are turbidity currents? Why the knowledge of vectors important to maritime people? What are value stream always consists of two parts? What could cause two lumps on either side of your skull? What is the area of a 1 cm square? What are the positive and negative effects of mass wasting? What types od individuals in a population are represented by the two ends of a bell curve? What colour indicates useful information? How many hours and minutes are in 255 minutes? What is the usage of trigonometry in mechanical engineering? What is the area of a circle whose diameter is 9.1 m? What does IIV mean in roman numerals? What is x2 plus 7x equals - 2x2 plus 6 in the form ax2 bx c equals 0? What is 240 minus 137? What is 3 decimeters long? What is go to 2654 rounded to the nearest want to thousand? What is the percentage of 246 out of 330?