You are an egyptian trader visiting the kush city of meroë. write a journal entry in which you describe the city and compare it to your egyptian home.

When I arrived at Meroë, I noticed there was an abundance of ceramic and Iron products. The number of merchants trading pottery caught my attention, as well as all the products made from Iron. Metalworking seemed to be an important factor in the economy of the city and the people dedicated to the production of these products are considered to be among the best in the world. I also saw beautiful temples. Very similar to those found back in Egypt. There were numerous pyramids surrounding the city.

c. taught scientists many new things about the earth, but not other planets.

explanation:

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.