Answer: The period known as classical antiquity began with the emergence of the city-states of ancient Greece. Later, the Roman Empire came to dominate the entire Mediterranean basin. The fall of the Roman Empire in AD 476 traditionally marks the start of the Middle Ages.
Explanation:
The answer is a
As when the forest has been cleared there is nothing to reduce the amount of rain from hitting the soil, the rain washes away all the nutrients and sometimes even soil.
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I believe that aa rift valley is happening because the two tectonic plates are combining while another plate is going downwards to create a valley. Hope this helps and have a fabulous day!