The federal government spent about more on Social Security in 2015 than it did in 2005.
Spending on
is the only category that
has had a decline.
The federal government spent the least amount of
money on
in the last decade.

The first atomic explosion was detonated in the desert north of alamogordo, new mexico, on july 16, 1945. what percentage of the strontium-90 ( yr) originally produced by that explosion still remains as of july 16, 2016?

Dry land planting can benefit the environment by reducing the need for tillagate

Choose the false statement. a. some organisms fossilize when frozen or dried out. b. bacteria can destroy dead plants and animals. c. it is common for a plant or animal to fossilize when it dies. d. rapid burial under small-sized sediment increases the chance for fossilization to occur.