Environmental Science
Which of the following statements is not correct?

The relative humidity is a measure of the air's actual water vapor content.
The length of human hair changes as the relative humidity changes.
During the winter, low relative humidity can irritate the mucus membranes in the nose and throat.
A change in the air temperature can change the relative humidity.

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Environmental Science
What is meant by ex-situ conservation?

Conservation of a species by protecting its habitat along with all other species living there
Conservation of plants
Conservation of a species outside its natural habitat
Conservation of forest eco system

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