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.

Zeroeth
Negative third
Fourth
Tenth

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Environmental Science
Which of the following is false?

Quantity of biomass in a trophic level at a particular period is called as standing crop
Rate of succession is faster in secondary succession
The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
The succession that occurs in newly cooled lava is called primary succession
Phytoplanktons are the pioneers in the aquatic ecosystem

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Environmental Science
Frost forms when:

The dew point is 32oF or below.
Objects on the ground cool below the dew point temperature.
All of these
Water vapor changes into ice without first becoming a liquid.

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