Which of the following factors allow for irrigated farming in the arid southwest of the united states? . a. the vast mineral deposits. b. extremely fertile soils. c. the intricate river systems. d. ample water from the snowmelts

"Ample water from the snowmelts" is the one factor among the following choices given in the question that helped allow for irrigated farming in the arid southwest of the United States. The correct option among all the options that are given in the question is the fourth option or option "D". I hope the answer helped you.