When do the citizens of the United States celebrate their freedom?

July 4

Explanation:

July 4 is called independence day because that's when the American's beat the British in the Revolutionary war.

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.

answer; ///i do believe that the correct answer is (d); ///athens had a small population;