Sexuality research . . . a. is not subject to ethical regulation because it is such a new endeavor. b. is governed by the ethical principle ""let the consumer beware."" c. is subject to ethical guidelines developed by scientific organizations such as the AMA and APA. d. is not subject to ethical regulation unless subjects run the risk of harm by participating in research.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

you should wear a lead protective shield when having teeth x-rays

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-lavira : )

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

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bioteacher101