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Environmental Science

Environmental Science
Moisture in the air is known as

Snow
Water
Fog
Humidity

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Environmental Science
Mulching helps in

soil sterility
improvements soil structure
moisture conservation
soil fertility

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Environmental Science
In most areas, the warmest time of the day about 5 feet above the ground occurs:

Just before the sun sets
Around noon
In the afternoon between 3 and 5 PM
In the early evening after 6 PM

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Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Convection
Radiation
Conduction
Latent heat

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Environmental Science
One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as

Methane and CFCs
Methane and CO2
CFCs and CO2
CFCs and N2O
N2O and CO2

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Environmental Science
An ideal shelter for housing a temperature-measurement instrument should be:

In the shade
White
Black
Both black and in the shade
Both white and in the shade

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MORE MCQ ON Environmental Science

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