Public service journalism "refers to times when the media acts as an advocate for the public" and "<span>is also known as investigative reporting and
attempts to uncover information that might be helpful or prevent
exploitation of the public or individuals."</span>
The materials for the Ur ziggurat were bricks of mud and a material called bitumen. If the bricks were stacked with only mud between them, they would not have lasted long.
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be that "iron rails were easily replaceable", since in fact that represented relatively permanent infrastructure. </span></span>
