Why did the mayans build observatories at the top of their pyramids?

Adisaster costs more where there is poverty and lack of awareness. explain.

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.

What happened in the 2000 election of al gore vs bush