Answer:
teleconference = a conference with participants in different locations linked by telecommunications devices
telemarketer = Telemarketing is a method of direct marketing in which a salesperson solicits prospective customers to buy products or services
televise = transmit by television
telescope = an optical instrument designed to make distant objects appear nearer
telephoto = a lens with a longer focal length than standard, giving a narrow field of view and a magnified image
Step-by-step explanation: