Which of these include some basic characteristics of taxi services? (Select all that apply.)Transactions are often negotiated at the time of use. Many taxi services are one-person and mom-and-pop businesses. Few taxi services are as extensive in range as either urban mass transit orcommercial airlines options. They do not usually involve long-term planning, beyond a single use.

Acarnot refrigerator operates in a room in which the temperature is 21°c and of power when operating. if the food compartment of the refrigerator is consumes 3 kw to be maintained at 2°c, determine (a) the coefficient of performance of the cycle and (b) the rate of heat removal from the food compartment. refrigerator cycle that has a higher coefficient of performance than that of the discussed (e) is it possible to develop a carn ot refrigerator, operating between the same temperature limits? explain