<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>
The thread of protien called A. Fibrinogen helps form clots.
The best and most correct answer among the choices provided by the question is the third choice "<span>Epigenetic changes of mother cells are generally maintained in daughter cells; however, they are susceptible to environmental influences." </span>I hope my answer has come to your help. God bless and have a nice day ahead!
Helium does not react with any other substances, thus the substance’s internal structure is never greatly affected and thus helium cannot have any chemical properties.
