Answer:Obsidian is a rock and it does include minerals.
Explanation:
Well scientific laws are really laws! You can't change a scientific law and laws can be facts as well. Hope this helps!
Answer:
C3F7
'Tri' means 3
Tricarbon means 3 carbon
"Hepta" means 7
Fluoridez molecular formula is "F"
hence F7
The elemental symbol of gold is denoted on the periodic table as being Au.
