Locate and name four main rivers within Alexander’s empire.

Nile (river in egypt)

Tigris (Eastern river in mesopotamia)

Euphrates (Western River in Mesopotamia)

Indus (River farthest to the east and south of bactria)

Explanation:

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.

there is no photo, therefore i can not answer your question.