Scientists conduct scientific investigations for which of the following reasons?
I. to discover new things about the natural world

II. to explain observed phenomena

III. to test the conclusions found in previous research

IV. to test the predictions of current theories

A. I and II only
B. III and IV only
C. I, II, III, and IV
D. III only

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regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

idk

explanation:

i dont know it at allnow im just getting points at this pint