Sediment deposited as fast-flowing river reaches a flatter area of land is called A)
river delta
B)
alluvial fan
C)
floodplain
D)
oxbow lake

What was the purpose of the spanish missions in new spain

When and why were fingerprints first used in the united states

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.