Which of the following is not an example of resources scarcity? there is a finite amount of petroleum in the world.

farming communities are experiencing droughts.

there are not enough physicians to satisfy all desires for health care in the United States.

cassette tapes are no longer being produced.

teachers would like to have more instructional technology in their classrooms.

D. is the answer as both statement 1 & 2 represents resource scarcity.

In statement 1 (Rapidly growing economies experience increasing levels

of water pollution), here the scarcity is of fresh water.

In statement 2 (There is a finite amount of petroleum in the physical

environment), here the scarcity of petroleum can be seen

Statement 3 is not scarcity because cassette tapes are not in demand any more so their production is been stopped.

Explanation:

Cassette tapes no longer being produced is not an example of resources scarcity.

Resource scarcity refers to when there is a shortage of a certain resource which is necessary for the production of a good or service. In the options given, the instances where there is scarcity are:

Cassette tapes no longer being produced is not a result of scarcity but rather because technology has moved on from it and new technologies have led to the development of blue ray disks and flash drives.

More information on scarcity can be found at link.