OBJECTIVE LIFE SCIENCE
ECOLOGY
| Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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 Concerning the balance of pollutants in the biosphere 
|  |  scientists have proved that the natural system of the earth is overwhelmed by pollution 
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|  |  the long term balance of the biosphere under current conditions is uncertain 
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|  |  the long term balance of the biosphere under current conditions is uncertain 
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|  | None of the above
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 Explanation: 
Detailed explanation-1: -What is the greatest obstacle to developing solar energy? The lack of sunlight at high latitudes.
Detailed explanation-2: -Which of the following best describes the fate of energy in ecosystems? It flows through and is used by ecosystems.
 There is 1 question to complete.