What are some examples or non examples of relative age?

What is a first magnitude star called? What elements does Iron Sulfide contain? Who invented the billycan? Why is classroom called a classroom? Who and when was thermometer invented? What is the science of studying classification? What is physical state mean in science? What is A scientific way of thinking about how things happen? How does static electricity build up? What statement best describes a social contract? Where did Nicholas-Jacques Conte go to school? Why is control of genes expression necessary? How many centiliters are contained in 3905 milliliters? What is dissolving salt into water an example of? How do indijeston tablets work? What is the first step of the scienctific method? What is the hydroxyl group in hipposudoric acid? What is the difference between violet and magenta? What is the electron configuration for a neutral atom of beryllium? What instrument did dr.Walter use in forensic science?