Environmental Science
The order of basic processes involved in succession is

Nudation->stabilization-> competition and co action->Invasion>reaction
Nudation->Invasion-> competition and co action->reaction>stabilization
Invasion->stabilization-> competition and co action->Reaction>nudation
Invasion-> Nudation->competition and co action->Reaction>stabilization

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Environmental Science
An important reason for the large daily temperature range over deserts is:

Free convection cells are unable to form above the hot desert ground
There is little water vapor in the air to absorb and re-radiate infrared radiation
The ozone content of desert air is very low
Dry air is a very poor heat conductor
The light-colored sand radiates heat very rapidly at night

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