What distinguishes each element from all others, and gives it unique physical and chemical properties?

this is the answer hope it helps

be

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.

c is the answer to this question. altitude affects the weather because air molecules evaporate.