cities or urban areas or tourist cities
Answer: The answer is Headset
Explanation: Headsets allow people to listen to music, videos, movies and any other kind of activity that provides sound without being a disturbance for other people. Generally, in quiet public settings such as libraries, certain workplaces, and internet cafes, the use of headsets is more than mandatory.
Heat is essential in melting rocks. Once the preexisting rock melts and then cools inside or on the earth's crust igneous rocks are formed. Heat and pressure are essential in the process of metamorphism. Heat can create new rocks from preexisting rocks by a process called contact metamorphism, forming rocks such as hornfels. Pressure can create foliated rocks such as schist's, slate and gneiss
