Environmental Science
The 3 R principle in waste management involves

Reduce, Regain, Reuse
Reduce, Reuse, Recycle
Reduce, Retain, Regain
Reduce, Reform, Reset

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Environmental Science
When the air is saturated, which of the following statements is not correct?

The air temperature equals the wet-bulb temperature
The air temperature equals the dew point temperature
The wet bulb temperature equals the dew point temperature
The relative humidity is 100 percent
An increase in temperature will cause condensation to occur

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