19. what are mobile payments? a. payments mad...

19. what are mobile payments? a. payments made using cash. b. transactions that require a pin. c. payments made only in physical stores. d. transactions made using a mobile device.

Answer

# Brief Explanations: Mobile payments involve using a mobile - device like a smartphone for transactions. Cash payments are not mobile payments. Transactions requiring a PIN are not the definition of mobile payments. Mobile payments are not limited to physical stores. # Answer: d. Transactions made using a mobile device.