Most of the Radioactivity We Personally Encounter Comes from

question 82

Multiple Choice

Most of the radioactivity we personally encounter comes from

• A) medical X rays.
• B) fallout from past and present testing of nuclear weapons.
• C) nuclear power plants.
• D) the natural environment.

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Definitions:

Nature

The phenomena of the physical world collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations.

Submarine

A watercraft capable of independent operation underwater, often used for naval or research purposes.

Hydrosphere

All the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.

Exploration Tool

Equipment or software used in the discovery and investigation of new geographical areas or resources.