Select the correct answer.
What is the best way to check the reliability and validity of a resource?

A.
Determine the resource's original medium of production.
B.
Analyze the author’s education and professional background.
C.
Establish how many years separate each resource’s publication.
D.
Investigate the main idea of the resource you discover.

Why is the netherlands vulnerable to changes in climate? a. the netherlands is against nuclear power. b. forests in the netherlands have been destroyed by acid rain. c. the netherlands wrote the kyoto protocols. d. the netherlands is low-lying country, and rising sea levels may cause flooding.

Who is on the senate intelligence committee?

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?