Which of the following increases erosion? Deforestation

Air Quality

Urbanization

Desertification

Changing the flow of water

Water Quality

PLEASE HELP

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.

To what kinds of messages might the brain respond to keep you balanced on one foot?

How has our understanding of the first sentence of the declaration of independence changed over time?