According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose you represent the entire history of earth by 12 hours on a clock, with the birth of earth at the stroke of midnight and today at the stroke of noon. based on this information, answer the following two questions:
- how much time on the clock represents 500 million years?
- how long before noon does written human history begin?