2. Getting a paycheck every two weeks is an example of a -fixed ratio schedule
-variable interval schedule
-variable ratio schedule
-fixed interval schedule

What did justice brown’s verdict in plessy v. ferguson state?

What is affirmative action as a social program intended to accomplish? do you think it has been successful? what are some specific examples that you can offer to support your answer? this is for my multicultural studies class i need asap !

What nitrogenous bases are found in rna