Write a dialogue between two friends who have just visited a museum.

Did the universe cool off or get hotter as it expanded after the 'big bang"?

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

How many credit hours does a student typically need to complete general educational requirements at a four year college