C) i would answer this, because it makes more sense
Answer:
to learn about the past and how it brought us to this day
Explanation:
Most likely North America
Answer:
The washing away of topsoil by wind and water or
the process of eroding or being eroded by wind, water and many other natural agents.
Explanation:
Hope it helps, goodluck
Between 50-80 years or even more than 80 sometimes
