Answer: 35 g/cm
Explanation:
Density equals mass over volume. 525 divided by 15 is 35
Answer:
snail should be at the top
Explanation:
This magmatic rock consists of volcanic glass (SiO₂,MgO,Fe₃O₄). It is the homogeneous volcanic glass with small water content. Therefore obsidian is very brilliant. In the ancient time made mirrors of it.
The sun light is balanced by heat radiated from earths atmosphere
