Environmental Science
During an equinox:

The earth is not tilted toward nor away from the sun
All of these
The days and nights are of equal length except at the poles
At noon the sun is overhead at the equator

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Environmental Science
The order of succession in a lithosere or xerosere is

Crustose lichen stage->Foilose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)
Moss stage ->Foilose lichen stage-> Crustose lichen stage ->herb stage->shrub stage->forest stage (climax community)
Crustose lichen stage->Foilose lichen stage->moss stage-> ->shrub stage-> herb stage->forest stage (climax community)
Foliose lichen stage->Crustose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)

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