How did chris in the movie “the pursuit of happyness” show persistence?

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.

How does human environment effects biosphere

Has anyone ever read the poem “at a window “ by carl sandburg? there are a few multiple choice questions i have to answer about it.