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A biosphere can best be described as –


the envelope of gases surrounding the Earth

the portion of the planet that contains life

a region of the world with similar climates and organisms

the rigid outer part of the Earth, consisting of the crust and upper mantle

Respuesta :

Answer:

A) the envelope of gases surrounding the Earth the envelope of gases surrounding the Earth

Explanation: A biosphere is layers of gas surrounding earth's atmosphere, the envelope of gases surrounding the Earth is the closest thing to that description.

b. the portion of the planet that contains life