Which of the following has left less than half of the salmon in puget sound healthy?
cleanup efforts have effectively ruined the salmon’s habitat.
dams have enabled gas and oil to reach puget sound.
acid rain that drops on puget sound is poisoning the salmon.
old fishing nets left in puget sound have trapped and killed the salmon.

What did justice brown’s verdict in plessy v. ferguson state?

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.

Banks offer services such as checking and savings accounts. what do banks do with most of the money they receive in deposits from customers? a) they loan it out to other customers. b) they spend it on new banks in other places. c) they keep it in a locked, secured vault in the bank. d) they send it to the federal reserve in washington, d. c.