A) In today’s economy, if an aerial appligreor is used, then it will be able to spread seed and to apply fertilizer
B) according to the NAAS, if crop yields per acre never drop by more than 50 percent, then crop protection products have been used to control insects, weeds, and diseases
C) in today’s economy, any aircraft that cannot be used to apply fertilizer cannot be classified as an aerial appligreor
D) according to the NAAS, if crop yields per acre drop by more than 50 percent, then crop protection products have not been used to control insects, weeds, and diseases.