Cover crop roots hold the soil in place, protecting soil from wind erosion. Cover crops can also protect soil from the impact of heavy rainfall and runoff. Reduced erosion protects and improves water quality by keeping ag chemicals in the ground and out of drainage water.
Francisco Pizarro led the conquest of the Inca Empire.
Answer: The correct answer is A, "The prophet Muhammad's deeds and traditions."
Explanation: According to google, the Sunnah is " Customs and practices of the Islamic Prophet Muhammad." This is directly talking about answer A.