Users make payments electronically than in person. Electronic payments have been made to provide a secure internet transaction. It is usually in 4 categories namely credit card,debit card, micropayment system and electronic cash. The answer in the situation where Lina switch to new provider for the online payment system is due to self-service.
<span>When an atom gains/loses an electron is becomes an B) Ion. It can either have a positive or negative charge and still be an Ion. A negative charge would be referred to as an anion. A positive charge would be referred to as a cation.</span>