10 Fun Facts About Rocks and Minerals

The Earth's crust is made up of over 3,000 different minerals:
The Earth's crust is the outermost layer of the planet, and it is made up of various minerals that form rocks. Over 3,000 different minerals have been identified in the Earth's crust, including quartz, feldspar, mica, and many others.

Ricardo Valls
Scopus Author ID: 7003369619
ResearcherID: S-6604-2018
Scopus Author ID: 35335510700

[roxyperry]

The music it's drowning the narrator's voice needs to be adjusted lower, it burying everything and should never be a competition. A pleasant sound in the background running behind the main focus is the key to successful video, must find the balance and marry the two by blending.

[ganjisuresh]

The background music is interfering the voice of speaker.