Why did President Johnson choose William L. Sharkey to be the provisional governor of Mississippi?

Because of his loyalty to the union

Explanation:

Sharkey was named provisional governor of Mississippi following the surrender of the confederate military forces. President Johnson adopted a condiliatory policy toward the southern state and moved quickly to restore them to the union

the answer would be choice c, cave paintings.

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.