Environmental Science
At the North Pole the sun will rise above the horizon on ____ and set below the horizon on ____.

September 23; December 22
June 22; December 22
March 21; September 23
March 21; December 22
June 22; September 23

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Environmental Science
Which of the following statement is incorrect regarding ecological pyramids

The pyramid of energy is inverted in ocean ecosystem
The pyramid of biomass is inverted in aquatic ecosystem
The pyramid of numbers is upright in grass land ecosystem
The pyramid of biomass is upright in grass land ecosystem

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