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

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Environmental Science
The earth's radiative equilibrium temperature is:

The temperature at which the earth is radiating energy at maximum intensity
The average temperature the earth must maintain to prevent the oceans from freezing solid
The temperature at which the earth is absorbing solar radiation and emitting infrared radiation at equal rates
The temperature at which rates of evaporation and condensation on the earth are in balance

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