Because of the sound waves that can travel through walls. Our ears are very intelligent and can process many sounds. Light rays are different though, because objects can block them because the light rays are not as strong as the sound waves.
The correct answer is letter C. crust, mantle, core. The three main parts of the geosphere is the crust, mantle, and core. Geosphere refers to the parts or layers of the earth's surface. The three layers mentioned are the chemical layers of the earth.
The city-states of ancient Mesopotamia were independent cities constructed around temples and entirely self-contained within mighty perimeter walls.<span> City-states were unified with each other only by their shared use of the Sumerian language. They spent most of their time engaged in conflict over resources.</span>
A large area of flat land, that is at a high altitude is called a plateau. An excellent example of a plateau is Tibet.
