Environmental Science
Man made sources of radiation pollution are:

nuclear fuels and preparation of radioactive isotopes
mining
explosion of nuclear weapons
all of these

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

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

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