If im correct 60,000 years ago
Basically physical and chemical weathering (do not confuse with erosion, which involves movement) contribute to the destruction of mineral forms. In this case it breaks down the rocks, minerals and soils, creating slopes and hills. It may be caused by (any form of) water, wind, gravity, waves or sunlight.
Answer:
Country A: Stage 2 with a high birth rate and a youthful population and is a developing country.
Country B: Stage 4 with a low birth rate and low death rate with an aging population. It is a developed country and there is a possible Stage 5.
Explanation:
I hope this helps!
It’s high winds or high humidity