Rocks are part of our planet. They tell stories like how they were formed and which environment they belong in. And it also tells us things about the past, because rocks came long before humans did.
Carbon — pay attention to your periodic table trends
density is the kilogram per cubic metre means mass divided by volume.
mathmatically= density= mass/ volume
rough = m/v
Opinion : I disagree recycling can help them, but it still will not clear the environment.
