If you look at a building, relative dating allows you to say that the first floor was built before the top floor.
If you look at an archeological dig, you can say that, in general, the dirt and rock on the surface are younger than the dirt and rock and items beneath them and that the deeper you dig, the older the items you're looking at.
Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years.
Mountains have been built and eroded, continents and oceans have moved great distances, and the Earth has fluctuated from being extremely cold and almost completely covered with ice to being very warm and ice-free.
Access this lesson's reading by clicking on the Library Resources in Canvas, then clicking on the "E-Reserves" link. 94-95, "Postlab Problem." Record all of your work in a word processing document.
When you have completed this activity, you will be asked to submit your answers electronically by copying and pasting your answers into an online submission form included in module 8 of Canvas.
Recently, he appeared on the evening news to talk about a new dinosaur he just discovered. Paul says he can tell from the fossils that superus awesomus lived on Earth about 175 million years ago.