Question

17. what makes the surface of the earth?​

Answer 1

Answer:

Earth's surface layer is made of rock This outer layer formedabout 4.5 billion years ago

Answer 2

Earth has three layers: the crust, the mantle, and the core. The crust is made of solid rocks and minerals. Beneath the crust is the mantle, which is also mostly solid rocks and minerals, but punctuated by malleable areas of semi-solid magma. At the center of the Earth is a hot, dense metal core