[Solved] Assuming that a society always operates on its production possibilities curve,an inward shift of the curve implies that A)the country's capacity to produce is fixed. B)the country is not using its resources efficiently. C)the country's capacity to produce has contracted. D)All of the choices are true. 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. Transboundary Resource: Natural resources that cross or are located on the borders between countries, often leading to conflicts or the need for cooperative management agreements.