A Sample of Radium Is Usually a Little Warmer Than

question 114

Multiple Choice

A sample of radium is usually a little warmer than its surroundings because

• A)it efficiently absorbs and releases energy from sunlight.
• B)its atoms are continually being struck by alpha and beta particles.
• C)it is radioactive.
• D)it emits alpha and beta particles.

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Definitions:

San Vitale

A historic church in Ravenna, Italy, known for its exquisite Byzantine mosaics dating from the 6th century.

Early Christian Art

The art produced by Christians or under Christian patronage from about the late 2nd to the early 5th century, marked by symbolic representations and the use of Christian motifs.

Good Shepherd

A Christian iconographic symbol representing Jesus Christ as a shepherd who guides and protects his followers.

Sol Invictus

The sun god worshipped in the late Roman Empire, recognized as the official sun god and patron of soldiers, celebrated on December 25th.