Which describes a controlled experiment? A. an experiment in which the dependent variable
B.
an experiment that contains two or more independent variables
C.
an experiment that contains only one independent variable
D.
an experiment that contains no independent or dependent variables
Pls help!!!

Sam and joan have been married for 25 years and have three children: max, who is 23; janet, who is 19; and sarah, who is 15. janet has just been diagnosed with a mental illness. describe the objective and subjective burdens each family member may experience. describe the meaning this diagnosis may have to janet’s parents, younger sibling, and older sibling.

List three other drugs used for anxiety or sleep that are not classified as benzodiazepines or barbiturates.

Protection against illegal searches and seizures is specified by a. the fourth amendment b. the civil rights act c. the declaration of independence. d. none of the above.