Answer:
mass I hope can help this answer
Explanation:
keep on learning
Answer:
obsidian
Explanation:
because it is an igneous rock which is smooth
Answer:
1. Stop Cutting down Trees
2. Control Population
3. Less use of Fossil Fuels
Explanation:
your welcome :)
C) medium.
The medium of a wave is any substance that carries the wave, or through which the wave travels.Ocean waves are carried by water, sound waves are carried by air, and. the seismic waves of an earthquake are carried by rock and soil.
I do believe the answer is A. I'm sure