They're <span>microcrystalline forms of quartz</span>
There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water.
Answer with Explanation:
Among all the scientists in the world, it is Thomas Edison whom I'd like to emulate. His invention of the light bulb is phenomenal because I consider it as one of the greatest invention in the history of mankind. Although he had a hearing problem, he managed to focus on his invention. As a businessman, he was always hardworking, even at a young age, which is truly admirable.
They belong in the plant kingdom since there plants