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Environmental Science

Environmental Science
BOD stands for

None of these
Biotic Oxygen Demand
Biological Oxygen Demand
Biological Oxygen Decrease

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Environmental Science
Minute particles and liquid droplets are collectively called

Ozone
Aerosols
UV radiation
Convection current

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Environmental Science
Frost typically forms on the inside of a windowpane (rather than the outside) because:

The inside of the pane is colder than the outside
There is more water vapor touching the inside of the pane
None of these
There is less water vapor touching the inside of the pane

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Environmental Science
All the genes of a population is called

gene pool
gene bunch
gene population
genome

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Environmental Science
_________ element had guided the earlier navigators to keep them on right path.

Carbon
Coal
Uranium
Magnetite

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Environmental Science
If you want to keep an object cool while exposed to direct sunlight,

Wrap it in black paper
Put it inside a brown paper bag
Wrap it in aluminum foil with the shiny side facing inward
Wrap it in aluminum foil with the shiny side facing outward

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