In the united states and many other countries, laws exist that regulate the amount of pollution that enters the atmosphere. which of the following is the best explanation for why such laws exist?

Which of the following best describes the principle of informed consent as described in the belmont report? a. voluntariness, risk/benefit assessment, selection of subjects. b. comprehension, conflicts of interest, risk/benefit ratio. c. risk/benefit assessment, justification of research, comprehension. d. information, comprehension, voluntariness.

"magic" mushrooms have effects similar to those of a. lsd b. pcp c. ketamine d. none of the above

What techniques do you use to come to a smooth stop? (driver's education)