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Environmental Science

Environmental Science
Wild life is continuously decreasing. What is the main reason of this?

Destruction of habitat
Cutting down of forest
Predation
Hunting

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Environmental Science
Radiation can cause

Haemophilia
cardiac disease
leukemia
bone marrow diseases

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Environmental Science
The organic matter produced by the photosynthetic activity of green plants is called as

energy flow
primary productivity
cellular process
light energy

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Environmental Science
Water used for paper mills should not contain

iron
chlorine
sodium
magnesium

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Environmental Science
According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power.

Tenth
Fourth
Zeroeth
Negative third

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Environmental Science
Heat is energy in the process of being transferred from:

Hot objects to cold objects
Low pressure to high pressure
Regions of low density toward regions of high density
High pressure to low pressure
Cold objects to hot objects

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