Environmental Science
The order of succession in a hydrosere is

Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest
Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest
phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest

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Environmental Science
The wind-chill factor:

Takes into account humidity and air temperature in expressing the current air temperature
Tells farmers when to protect crops from a freeze
Determines how low the air temperature will be on any given day
Relates body heat loss with wind to an equivalent temperature with no wind
Indicates the temperature at which water freezes on exposed skin

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