Historians can use information provided by geologists and other experts to understand land formations change. how do remnants of different types of animals explain what happened to landforms during the miocene epoch

Which of the following contributed most to making the items listed in the box

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.

Abrief, "first-step" presentation of a work to be completed is called a