What is an example of scarcity

Scarcity dictates that economic decisions must be made regularly in order to manage the availability of resources to meet human needs. Some examples of scarcity include: The gasoline shortage in the 1970's. ... Coal is used to create energy; the limited amount of this resource that can be mined is an example of scarcity.

Explanation:

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )