What is orangum?

How does a scientist determine if an explanation makes sense? What is the place where your urine comes out? What is the best metric unit to measure the distance from Chicago to peoria? How do you determine what your variable? What evidence would you expect if your hypothesis was true? What is wegner's theory? What are the main properties of stars? What is exploding data? What is a rectacil? Why is it that when you dive for a coin at the bottom of a swimming poolthe coin is not exactly where it appeared to be? How many variables should ideally be tested for changes in a scientific investigation? What substance soil provides to help plants grow? What does possible source mean? What is the percussion family? Explain the two types of Internal security threats? Why are car bodies not made from a low density metal like magnesium? What factors affect current strength in a series circuit? Why do you have different opinions about things? When you dip your hand in cold water you feel it cold. Can you name the mode of heat transfer and its direction? Why was Maria Mitchell's discovery important?