Hey guys here are some free pionts​

What point is the author trying to make by comparing the travel times of the first transcontinental railroad and the first transcontinental flight?

What is meant by “eternally burning black pipes”? what is this implying about the personality of the firemen?

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.