[Solved] Which of the following is a binary compound? A)HCN B)O₂ C)LiBr D)Na₂SO₄ Light Pollution: Excessive, misdirected, or intrusive artificial light that can have adverse effects on human health, wildlife, and the ability to observe stars. Milky Way: The Milky Way is the galaxy that contains our Solar System, characterized by its milky luminescence, which is a band of light formed from stars that cannot be individually distinguished by the naked eye. Spiral Arm: Regions of stars that extend from the center of spiral galaxies outward, appearing as swirling and prominent features structured around a galactic core. Water Grabbing: The practice of large-scale acquisition or control of water resources by corporations, governments, or individuals, often at the expense of local communities and ecosystems.