What is filterezation?

What is a scrub board? What physical property always stays the same? What is a normal persons body temp in Celsius? How many buildings are on earth? What errors could occur in a lab? What does warm blodded mean? Name 4 ways in which aerobic respiration is like burning? How did some monarchs help advance the new sciences in the 1600s? How do shape and volume of a substance differ among its solid liquid and gas state? What is an explanation based on scientific knowledge? How many miles is 4500 feet? Why must oven shelves not fit tightly when the oven is cold? How are fossils used? What is warmer 20 degrees Celsius or 7 degrees Celsius? What is 5ft10in in centimeters? Who discovered the fifth state of matter? What is the acceleration of a 8kg baby pulled upward with a force of 150 newtons? What does adaptation mean in a scientific way? What is freehand section? Sub-branches of life science with their meaning?