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.
A. Spin because in a twirling motion tend to become a spinning type of motion. I think
I say it’s false that’s my answer
Match the following:
a. mangrove 3. a small tropical tree that grows in wetlands near salt water
b. land degradation 2. reduced ability of the soil to support life
c. hectare 1. (ha) a unit of measure equal to roughly 2.5 acres or exactly 10,000 square meters
d. salinization 4. the development of higher than normal salt content in the soil