Which gas makes up 78 percent of Earth's atmosphere?

oxygen

nitrogen

hydrogen

carbon dioxide

inert gases

Anna used 900 gallons of gasoline last year driving to and from work. This year, she changed jobs. She now uses only 600 gallons of gas annually. If each gallon of gas releases 20 pounds of CO2 when burned, Anna reduced her CO2 emissions by

The us flag is green, white and yellow. true or false.

Some scholars have suggested that a consequence of separation of powers and checks and balances has been select one: a. Political instability. b. Streamlined, but hasty, government decision making. c.

Select the items that people consume to satisfy their economic wants. goods, money, services, & factories

On October 7, 1780, men from the mountains of North and South Carolina were able to ambush a group of Loyalist soldiers in which battle?

The four powerful pillars of democracy are:

What is the counterpart theodicy? what is one problem with the view?

A society in which race and racism are no longer issues would be considered ___. A. post-racial B. Institutionally racial C. Biased D. Mainstream

How did railroads most impact farming in the west during the late 1800s

Marilyn, a 79-year-old widow, has been financially exploited by her neighbor. This type of exploitation is known as