Environmental Science
Which of the following helps to explain why even though northern latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south?

Solar energy is spread over a larger area in northern latitudes
Increased cloud cover reflects solar energy in the northern latitudes
Some of the sun's energy is reflected by snow and ice in the northern latitudes
Solar energy is used to melt frozen soil in the northern latitudes
All of these

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Environmental Science
Which of the following is false?

Quantity of biomass in a trophic level at a particular period is called as standing crop
The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
Rate of succession is faster in secondary succession
The succession that occurs in newly cooled lava is called primary succession
Phytoplanktons are the pioneers in the aquatic ecosystem

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Environmental Science
How do red and blue light differ?

Red and blue light have different directions of polarization.
Blue light has a higher speed of propagation.
Red light has a higher intensity.
The wavelength of red light is longer.

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