Why are speeches good examples of primary sources?

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

Which of the following areas borders the pacific ocean and has a mediterranean-style climate? a. british columbia b. northern oregon c. southern california d. southern washington

In the 1980s, more russians worked to encourage change in the government by a) establishing a new political system. b) rallying for democratic reforms. c) supporting the democratic system. d) resisting gorbachev’s reforms.