Uniformitarianism
fossils
radioactive decay
48 million
after
The youngest age of the shale is 910 ka. According to the principle of inclusions, the shale formed before the tephra, so the tephra must be younger than 910 ka.
Answer:
Explanation:
Mexico City 20,063,000 8,400
This data it´s true.
The Moons rotation is precisely equal to it’s period of revolution.
Answer: D. It would have much lower temperatures and less rain.
Explanation:
The general trend of the European population is: declining. This is due to a number of factors, the most important of them is the negative population growth: women are having less than 2 children (currently 1.6 children). and 2.2 children per woman are needed to keep the population size stable