<span>Sumerians built walls using the natural resource they were surrounded with, which was namely clay. They used this clay to create fired mud-bricks, as there was not any other building stone available at the time. However, the clay mud-bricks proved to be a solid structure for town fortification.</span>
Answer:
Listen to pronunciation. (sel) In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.
Explanation:
or do you mean phone number?
Population , we breath , you breath CO2 is increasing , so stop breathing and die somewhere lol. (ok just kidding)
They have evolved into the best length for their environment.