Environmental Science
The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:

No appreciable change from present conditions
Hotter summers and milder winters than at present
Cooler summers and colder winters than at present
Hotter summers and colder winters than at present
Cooler summers and milder winters than at present

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Environmental Science
Which of the following is false?

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

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