I think the answer is B: sediments melt deep beneath the Earth's surface.
I believe it would be 7,000,000 + 500,000.
It has a big impact on the tides because of gravity
The Sahel is located in Africa. It is the region in Africa that transitions from the Sahara to the Sudanian Savanna. It stretches across in the region from the West of Africa to the East and includes parts of Senegal, Mauritania, Mali, Burkina Faso, Algeria, Niger, Nigeria, Chad, Sudan, South Sudan, Eritrea, CAR, Cameroon, and Ethiopia.
Your best will be "C" solar heating near the costline heats.....
