Living Environment Regents Review Practice Human Impact On the Environment Question 8
Sunday, 28 June 2009 11:36
Which factor is not considered by ecologists when they evaluate the impact of human activities on an ecosystem?
A)Amount of energy released from the Sun
B)Quality of the atmosphere
C)Degree of biodiversity
D)Location of power plants
Correct Answer: Option A - Amount of energy released from the Sun
Every minute enough of the Sun's energy reaches the Earth's surface to meet the world's energy demands for a whole year. Combine this powerful energy source (the very source of life for our planet) with other readily available energy sources like wind, moving water and heat from within the Earth (geothermal heat),
An ecosystem, by definition is composed of the environment, the surrounding atmosphere, the biodiversity. Based on this definition, the other options are incorrect.
When evaluating the impact on an ecosystem, the location of industries and power plants will be taken into account.
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