Jake can complete an oil change in 45 minutes and he can write a poem in 90 minutes. Ming-la can complete an oil change in 30 minutes and she can write a poem in 90 minutes. Jake's opportunity cost of writing a poem is lower than Ming-la's opportunity cost of writing a poem. True / False.

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 did the nazis lead germany to war in europe and, with their collaborators, kill millions—including systematically murdering six million jewish people?

What is the term for the right to vote in elections?