How Many Half-Lives Has a Fossilized Tree Undergone If It

question 55

Multiple Choice

How many half-lives has a fossilized tree undergone if it contains 12.5% of its original carbon-14?

• A)1\4
• B)2
• C)3
• D)4
• E)16

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Definitions:

Legalized Segregation

The systematic separation of people into racial or ethnic groups in daily life, enforced or sanctioned by law, historically practiced in the United States and other countries.

Low-income Families

Households earning significantly below the national median income, often facing financial challenges and limited access to resources.

Bracero Program

A series of laws and diplomatic agreements, initiated in 1942 between the United States and Mexico, for the importation of temporary contract laborers from Mexico to the United States.

Legalized Slavery

The condition where slavery is allowed and regulated by law, historically practiced in many parts of the world, including the United States until the 19th century.