how have public service campaigns changed over time? advertisers have integrated new media and technologies. sponsors have begun to sell access tothe media that are used. the goverment has begun to sponsor public service announcements. researchers have learned to use new types of appeals and arguments.

What object do the men think of as a trifle?

Describe your passion for sports (100 words or less). required

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.