BIOL 2051 Chapter : How The Earth Was Made
Document Summary
Answer the following questions based on the video how the earth was made from the history. He was a british expert in thermodynamics who suggested the planet was once completely molten and had been slowly cooling. He was a geologist who used radioactive particles to accurately date the planet, a process known as radiometric dating. Traces of uranium found throughout the rocks of the earth decayed to lead. By measuring the proportion of uranium to lead, he could accurately determine the age of the earth. barren supercontinent where canada and the. Rodinia"s position blocked warming currents and poles froze resulting in a snowball earth. Fossils here are a window to a world 500 million years ago when life was flourishing. Primeval organisms that lived off sunlight and filled the atmosphere with oxygen formed by a rare. 3. 5 billion years ago: explain plate tectonics. it is the study of continental shifts.
