Which statement about bias in social studies sources is true? a. bias is most often found in primary sources. b. bias is most often found in secondary sources. c. most social studies sources are unbiased. d. most social studies sources contain some bias.

Arguably one of the most important inventions of the 20th century was a) the transistor. b) air conditioning. c) the vacuum cleaner. d) radio broadcasting.

The line dividing regions 4 & 5 on this map is known as the "fall line." which of these represents an important factor of the fall line in georgia history? a) it was the first boundary of the georgia after it became a state. b) it was an important source of power due to a change in elevation. c) it was once home to major cities that have since become abandoned. d) it was a dividing line between the united states and native american territories.

What former head of the cuban secret service was charged with protecting the country's prime minister for nearly 50 years?