A boat traveled 160 miles downstream and back. The trip downstream took 8 hours. The trip back took 80 hours. What is the speed of the current?

What impact did improvements in farming technology near the end of the nineteenth century have on the american economy? a. more energy was needed to power equipment, creating the renewable energy industry. b. less labor was necessary on farms, leading workers to pursue other jobs. c. less money was invested in farming as many locally owned farms went bankrupt. d. more demand for agricultural products reduced the price of food and animal products.

1.how is germany's economic system similar to that of the united kingdom a.both are free-market economic b.both are command economic c.both are mixed economic d.both are traditional economic

Social darwinism applies what theory to human society