The blood alcohol () level can be determined by titrating a sample of blood plasma with an acidic potassium dichromate solution, resulting in the production of and carbon dioxide. The reaction can be monitored because the dichromate ion () is orange in solution, and the ion is green. The unbalanced redox equation is.

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome

El año pasado fuimos a guatemala y nos en el hotel amanecer.