Environmental Science
The most abundant gas in the stratosphere is:

Oxygen (O2)
Nitrogen (N2)
Chlorofluorocarbons (CFCs)
Ozone (O3)
Carbon dioxide (CO2)

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Environmental Science
If a glass of water were surrounded by saturated air:

The water's temperature would slowly increase
The water's temperature would slowly decrease
The level of the water in the glass would slowly decrease
The level of the water in the glass would not change

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Environmental Science
What is meant by ex-situ conservation?

Conservation of forest eco system
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

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