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

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

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Environmental Science
The earth's radiative equilibrium temperature is:

The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
The average temperature the earth must maintain to prevent the oceans from freezing solid
The temperature at which the earth is radiating energy at maximum intensity
The temperature at which rates of evaporation and condensation on the earth are in balance

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