Answer: Asthenosphere
Explanation: The temperature and pressure of the asthenosphere are so high that rocks soften and partly melt, becoming semi-molten. Which means that this makes it the hottest layer of Earth's mantle.
B. It sits on the largest deposits of oil in the world.
Answer:
A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground.
Explanation:
A cave or cavern is a natural void in the ground, specifically a space large enough for a human to enter. Caves often form by the weathering of rock and often extend deep underground.