A natural resource is defined as a form of energy and/or matter which is essential for the functioning of organisms, populations and ecosystems. In the case of humans, a natural resource, in his words ...

At a very basic level, resources could be anything used in the production of something. There are different kinds of resources, however. If you want to find out the answer to something, your resources ...

Synthetic materials are made from natural resources. Synthetic materials are made by chemically changing the starting substances to create a material with different characteristics. Some examples of ...