How does the mineral topaz help the environment?

How many molecules are in 0.0600 mol NH3 Answer in units of molec? What is a monosaccharaide? Why is kerosene used to remove paint rather than water? What is the frequency in Hertz of a signal that repeats 100000 times within one minute? What is the organ that synthesizes most of the clotting factors? Is gold metallic or nonmetallic? What phases does the sun go through? Which species of aquatic invertebrate was most tolerant to changes in pH? What you volcano be long or short vowel? How do non living environmental factors in the ocean such as sunlight depth pressure and temperature affect where organisms live? What device did sailors use to predict storms? Who discovered the boundary between the crust and the mantle? How much would a 250 pound person weigh on Mars? What ligament is also known as the fibular collateral ligament? Explain privilege of exchange of duplication? How much have the atmospheric carbon dioxide concentrations increased in recent years? Are jellyfish are carnivores? Is not a movement that can occur within the vertebrae? What is apical pleural scarring? What is the organization of an atom?