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Environmental Science

Environmental Science
The Residential and Commercial wastes mainly consist of:

None of these
Food wastes
Packaging materials
Card board

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Environmental Science
Heavy dust can cause

leaf blights
browning of leaves
closure of stomata
opening of stomata

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Environmental Science
Melanornia (skin cancer) is associated with

allergens
ozone accumulation
acid rain
ozone depletion

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Environmental Science
Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for

Migration
Ecological succession
Pollution
Population exploitation
Biodiversity loss

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Environmental Science
Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

It is upright in shape
It is inverted in shape
It shows energy content of different trophic level organisms
Its base is broad

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Environmental Science
The unit of pressure most commonly found on a surface weather map is:

Millimeters of mercury (Hg)
Millibars or hectopascals
Pounds per square inch
Inches of mercury (Hg)

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