Pesticides are chemicals that are used to kill that can damage crops a. plants b. trees c. insects d. shrubs plsss : )

In the years following world war 1 , the red scare played a key role in the following political changes except

He dutch west india company wanted to establish a colony in north america to expand its trading empire. enjoy religious freedom. encourage catholics to leave holland. form a representative democracy.

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.