The Great Wall of China is 374 of age hope this help
Answer:
There are four layers of the Earth, including Inner Core, Outer Core, mantle, and Crust. Each layer has its characteristics because of its temperature and formation.
The inner core is solid with iron and other metal deposit in it. The outer core is liquid, while the mantle is composed of silicate rocks. The crust is the outer layer of the earth, consist of different types of rocks.
The earth was able to develop a layer structure because of the climatic change it had millions of years ago, where the hardest metal reached to its core.
i hope this helps you
from google:
"The Earth gets hotter as one travels towards the core, known as the geothermal gradient. Geothermal gradient is the amount the Earth's temperature increases with depth, indicating heat flowing from the Earth's warm interior to its surface. On average, the temperature increases by about 25°C for every kilometer of depth"
Answer:
Relationships among the sphere of the earth is described below in detail.
Explanation:
All the spheres associate with separate spheres. For illustration, rain (hydrosphere) drops from clouds in the environment to the lithosphere and creates currents and rivers that present drinking water for humans and wildlife as well as water for seedling extension (biosphere). ... Flooding waves wash away soil.