Which of these ideas from the declaration of independence explains the proper purpose of government

Ethnicity is used to distinguish between groups based on cultural elements, but according to the information presented in the lecture (blank) would encompass the details about a person like the shape of his or her features.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

How is the uk’s government is solving the air pollution problem?