Is there a picture that is supposed to be attached?
Your answer will be b and c because you're planting of crops will take a while to grow so it is not a sudden change to the Earth's surface and if you're building a tunnel through the mountain it won't affect the Earth's surface
Answer:
a. on the earth’s surface where the initial release of seismic energy occurs.
Explanation:
The Desert located in Northern Africa is the Sahara Desert
