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EVSC 100 Exam Practice Questions and Answers define environmental science - ANSWER-the study of how the natural world works, how our environment affects us, and how we affect our environment -emphasis on population growth, resource depletion, and environmental degradation what is science, and ...

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  • November 4, 2024
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KaylinHoffman
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EVSC 100 Exam Practice Questions and

Answers


define environmental science - ANSWER✔✔-the study of how the natural world works, how our

environment affects us, and how we affect our environment




-emphasis on population growth, resource depletion, and environmental degradation


what is science, and natural science? list the steps of the scientific method in order - ANSWER✔✔--

science: activities aimed at understanding the world around us




-natural science: understanding the natural and physical world




-theory, hypothesis, observations, confirmation/rejection


list the 5 spheres of the earth system - ANSWER✔✔--lithosphere


-hydrosphere




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-cryosphere


-atmosphere


-biosphere


define resilience in the context of earth systems - ANSWER✔✔--the ability of a system to maintain key

processes by adapting to change/stressors


define a tipping point - ANSWER✔✔-a threshold beyond which an ecosystem cannot recover from rapid

change and stressors




different from a planetary boundary -- tipping points come after, where the boundary is an early warning

system


define planetary boundaries and explain how they work - ANSWER✔✔--a defined space that acts as a

buffer zone for response time before a tipping point/global threshold is reached




green = safe zone


yellow = zone of uncertainty


red = high risk


planetary boundary = the intersection of green and yellow

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threshold = the red and beyond area


what are the 9 planetary boundaries? - ANSWER✔✔--climate change


-novel entities


-stratospheric ozone depletion


-atmospheric aerosol loading


-ocean acidification


-biogeochemical flows


-freshwater use


-land-system change


-biosphere integrity


define the holocene and the anthropocene - ANSWER✔✔-holocene


-previous period of temperature and earth system stability, allowed for civilization to develop


-the only phase that could support humanity




anthropocene



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