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Environmental Science

Environmental Science
The maintenance of relatively constant internal environment is called

Endotherms
Homeostasis
Exotherms
Homeobox

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Environmental Science
Molten rock deep inside the earth is called

magma
lava
core
valcano

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Environmental Science
World's most problematic aquatic weed is

eichornia
trapa
azolla
wolffia

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Environmental Science
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere:

Chlorofluorocarbons
Nitrous oxide
Carbon dioxide
Ozone
Water vapor

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Environmental Science
In recycling of mineral elements within an ecosystem, the responsible direct acing organism are called

Secondary consumers
Decomposers
Primary consumers
Producers

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Environmental Science
_________ are used for converting saline or brackish water into pure distilled water.

Solar water-heating
Solar cookers
Solar desalination systems
Photo voltaic cells

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MORE MCQ ON Environmental Science

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