What type of event can disrupt the energy cycle

Climate change is disruptive because humans have adapted to a narrow range of environmental conditions.

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a- all cells come from pre-existing cells

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.