Answer:
We know that the Great Plains are older than the Rocky Mountains because the Great Plains are more eroded than the Rocky Mountains.
Answer:
Srry I don't understand Spanish
Contour plowing, no-till planting, and planting trees to serve as wind buffers are all methods used to "reduce erosion," since erosion can lead to a decrease in crop output. So A
Answer:
Numerical time is absolute while relative is compared.
Explanation:
Numerical time is essentially the age of an object. Numerical time is also called absolute time because the age is given as a number that expresses (usually) how many years old it is.
Relative time, rather than give an age, places a rock or rock layer in a category based on how it fits into Earth's evolutionary history as a planet and the fossil record.