The Lewis and Clark expedition Select one: a. was first planned after the Louisiana Purchase was made. b. was assisted by the guide Sacajawea. c. was led by two men who had little experience with Indians. d. saw both leaders die before the expedition was complete. e. never made it to the Pacific Coast.

The colors at sunset are usually the result of raindrops

Humans are the only animals capable of communication

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is: