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Final Answer:The given statement "Beth taps her phone at a payment terminal to pay" is true (a).Explanation:The given statement is true because mobile payment technology allows users to pay by tapping their phones at compatible payment terminals. This process utilizes Near Field Communication (NFC) technology, enabling secure and convenient transactions without the need for physical cards. Beth's action of tapping her phone at the payment terminal indicates she is using this mobile payment method, which has become increasingly popular due to its ease of use and security features (Option a).Mobile payments work by establishing a connection between the smartphone and the payment terminal through NFC. When Beth taps her phone, the terminal reads the payment information stored securely on her device and processes the transaction accordingly. This technology encrypts the payment data, protecting it from unauthorized access and ensuring the security of the transaction. Therefore, the statement is true as it accurately describes the process of using mobile payment technology (Option a).In summary, Beth's action of tapping her phone at a payment terminal to pay is indeed true (a), as it aligns with the functionality of mobile payment systems utilizing NFC technology. This method offers a convenient and secure way for users to make transactions using their smartphones....