Life Is Possible on Earth Primarily Because

question 66

Multiple Choice

Life is possible on Earth primarily because

• A)gamma rays and X-rays reach the surface.
• B)the ozonosphere and ionosphere shield the surface from harmful radiation.
• C)variable gases of all types exist in the atmosphere.
• D)ultraviolet radiation reaches the surface.
• E)ozone is evenly mixed throughout all levels of the atmosphere.

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Definitions:

Forestry Companies

Businesses involved in the cultivation, maintenance, and harvesting of forests for commercial, recreational, or conservation purposes.

Growth Pattern

The specific way in which an economic entity or biological organism grows over time, often analyzed to predict future developments.

Deforestation

The clearing or removal of forests or trees from land which is then converted to non-forest use.

Fishery Collapse

A situation where fish populations decline to unsustainable levels, leading to a significant reduction or cessation of fishing activities in the affected area.