Question

How is sound produced?​

Answer 1

Answer:

Resources are anything that has utility and adds value to your life. Air, water, food, plants, animals, minerals, metals, and everything else that exists in nature and has utility to mankind is a 'Resource'. ... However, mountains, rivers, sea or forests are also resources but they do not have economic value.

Answer 2

Explanation:

here's ur answer in this attachment..

hope this helps you