Environmental Science
Which of the following regarding ecological pyramids is not correct?

The total energy flow at successive tropical level always decreases
In deep water ecosystem, the pyramid of biomass is upright
The pyramid of energy expresses mainly the rate of food production
In tree dominated ecosystem the pyramid of numbers is inverted
In most ecosystems, the pyramid of numbers and biomass are up right

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Environmental Science
Frost forms when:

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

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