What are the three essential chemical elements in the biosphere?

nitrogen, oxygen, and carbon

carbon, oxygen, and helium

oxygen, carbon, and iron

nitrogen, carbon, and hydrogen

Which document creates a plan for government that includes checks and balances and is the supreme law of the United States? A. Bill of Rights B. U. S. Constitution C. Declaration of Independence D. Articles of Confederation

Reserve requirements are changed A. less frequently than open market operations are conducted and less frequently than the discount rate is changed. B.

Continuous reinforcement occurs when a response is reinforced only some of the time. True or False

What is the term for endowing the gods and the forces of nature that they represent with humanlike traits, a characteristic of Mesopotamian religion?

What might be the consequences if citizens were not required to pay taxes?

What is importance of politics and politicians to the people living in cities in late 1900s?

If you scratch your head because you have an itch, but an observer thinks you are scratching your head because you're confused about something, what type of nonverbal communication has occurred?

Which factor was not a reason the southern Plains tribes intensified their raids on white settlements in 1874? A. over hunting by white hunters B. horse theft by white gangs C. illegal trading by white merchants D. massacres by fort troops

Every friday afternoon around 4:00 pm, nerf darts start flying around the office at aplia, where both work and play are highly valued.

Public opinion has seldom been influenced by newspaper editors. a. True b. False