Why was the city of djenne an important center for Islam It was a rest stop on the route to Mecca
It became a UNESCO world heritage site
It was home to the great mosque
It was where mamas musa established his Cali

It was home to the Great Mosque.

Explanation:

I took the test and got it right, sorry if this is too late for you.

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.