[Solved] Which of the following is indicative of a sexual dysfunction? A) pedophilia B) premature ejaculation C) erotic plasticity D) refractory periods Oceanic Crust: The thin layer of the Earth's crust that underlies the ocean basins, composed mainly of basalt. Mantle: The layer of the Earth located between the crust and the outer core, composed of silicate rocks rich in iron and magnesium. Gravity: The force exerted between any two objects, such as that between the Sun, Earth, and Moon; synonymous with gravitational pull. Sun: The star at the center of our solar system, which provides light and heat essential for life on Earth.