Diagrams tables and graphs are used by scientists mainly to

There are so many examples for that in different areas, like steroidal compounds experiment carried out in our lab recently.

Here's one link: http://www.alfa-chemistry.com/products/steroidal-compounds-8.htm

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.