What is spesifacation?

What is zinc bars? When you are not using a Bunsen burner but wish to leave the flame on you should always leave the air hole closed why? True or False A scientific law is based on repeated inferences made over long period of time? How do cells make up living organisms? What to do to know about future? When you microwave water why is the water hotter than the mug? What kind of resources are non-renewable? What are some examples from everyday life that shows that the atmosphere has substance? What is a diagram that shows relations between organizations? What is the relationship of the partial pressure of a gas and its diffusion rate? Is it possible for evolution to occur by both natural selection and punctuated equilibrium? How many milliliters are in 0.070liters? What are the miracles of science? Can you use swimming goggles for science as safety goggles? Does a spring scale measure weight? What are yards and feet? What is the relationship between the energy and wavelength of electromagnetic radiation? What is casual cycle on whirlpool washer mean? What is the difference between frequncy and amputide? How do to use hollow in a sentence?