Answer:
F
Explanation:
Look up a map and the center of Africa is majority desert and savanna.
Answer: A. The soil in the floodplain is usually fertile
Explanation:
A floodplain can be defined as the flat area which is expected to receive the heavy flow of water due to neighboring water body, which may cause flood. Such floodplains have been proved to be the sites of agriculture since decades due to the rich and fertile soil. As the river or any other water body brings sediments which include essential minerals supporting the growth of the crops. This will solve the problems of daily food needs for the people being settled at the neighboring places.
Answer:
It could technically be either. The majority of coal deposits
appear to be biotic, though there are some geochemists who believe
that abiotic coal deposits might exist deep in the crust.
Continental crust is 2.7-3.0
Oceanic crust is 3.0-3.3
Mantle is 3.3-5.7
Outer core is 9.9-12.2
Inner core is 12.6-13.0
