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Environmental Science

Environmental Science
Which of the following ecological pyramid is always upright?

None of these
Pyramid of energy
Pyramid of number
Pyramid of biomass

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Environmental Science
Moisture in the air is known as

Water
Snow
Fog
Humidity

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Environmental Science
In summer, humid regions typically have ________ daily temperature ranges and _______ maximum temperatures than drier regions.

Smaller, lower
Larger, higher
Larger, lower
Smaller, higher

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Environmental Science
_________ energy is the energy stored within the earth.

Wind
Thermal
Geothermal
Mechanical

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

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

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Environmental Science
The blueness of the sky is mainly due to:

Emission of blue light by the atmosphere
The scattering of sunlight by air molecules
Absorption of blue light by the air
The presence of water vapor

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