Which statement about bias in social studies sources is true? a. bias occurs when a writer pulls evidence from multiple primary sources. b. bias occurs when a writer intentionally omits info that weakens his or her argument. c. bias occurs when a writer expresses commonly held options. d. bias occurs when a writer corroborates his or her claim with other sources of evidence.

Why would nations in latin america be part of a mostly arab cartel group known as opec? a) latin america refused to do business with countries that were not part of opec. eliminate b) natural resources such as oil are a major economic development for some latin american countries. c) latin america has a long history of distrust of the united states and fears a take-over of oil fields. d) latin american nations such as venezuela needed in getting natural resources to other parts of the world. 15