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
In most ecosystems, the pyramid of numbers and biomass are up right
The total energy flow at successive tropical level always decreases

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Environmental Science
Which of the following statements is not correct?

A change in the air temperature can change the relative humidity.
During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
The relative humidity is a measure of the air's actual water vapor content.
The length of human hair changes as the relative humidity changes.

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