Answer:Obsidian is a rock and it does include minerals.
Explanation:
D = m / V
1.025 = m / 100,000 mL
m = 1.025 x 100,000
m = 102,500 g
Answer:
1000 gram
Explanation:
because mass is constant everywhere
44.8% oxygen, 21.5% silicon, and 22.8% magnesium. There's also iron, aluminum, calcium, sodium, and potassium. These elements are all bound together in the form of silicate rocks, all of which take the form of oxides.