Environmental Science
What is meant by ex-situ conservation?

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

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Environmental Science
The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?

High albedo of clouds, low albedo of water
High albedo of clouds, high albedo of water
Low albedo of clouds, high albedo of water
Low albedo of clouds, low albedo of water

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