What is scascity?

How many mm is in 6.495 km? What describes a hypothesis? What is a synonym for gargantuan? Is it true that convection is the flow of heat energy by direct contact? Can you breath under water with a bucket on your head? What prevents mercury in the tube of a barometer from running out into the container at the bottom of the tube? How do you write a clinical trial for a paper? Explain why plants are able to continue the dark reactions when they are not able to use the light reactions? What is a logical explanation called in science? What is scientific movement? What are the example of velocity problem? When did Nancy Edison die? How many pounds equal 46 kilograms? Does freezing water kill germs? Why is science important in sports? Would yogurt best be measures in milliliter or liters? How many mm in an inch and one quarter? What is the difference between gram's stain and wright's stain? How can you make an annoying person fall asleep...... is there a pressure point or something? What is the difference between being objective and being subjective in science?