Toward the end of the eighteenth century and the beginning of the nineteenth century, a massive transformation of the nature of labor was propelled by the development of new technologies, including group of answer choices

1. the telephone and telegraph.
2. motorcars and tractors.
3. he power loom and steam engine.
4.the cotton gin and distiller.

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:

Pedestrians,cyclists,skateboarders,and highway construction workers are know as?

Fallon is on her way to work when she sees a little boy, who is crying and apparently lost. seeing the crying boy makes fallon very uncomfortable and upset. to reduce these negative feelings, fallon stops to the boy find his parents. which theory best explains fallon's behavior?