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

In deep water ecosystem, the pyramid of biomass is upright
In tree dominated ecosystem the pyramid of numbers is inverted
The pyramid of energy expresses mainly the rate of food production
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
The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:

The earth is closer to the sun in January
The sun's energy is less intense in the Southern Hemisphere
Over 80% of the Southern Hemisphere is covered with water
The earth is farther from the sun in July

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