The Half-Life of Carbon-14 Is About 5,730 Years

question 29

Multiple Choice

The half-life of carbon-14 is about 5,730 years.If an ancient cave painting was found to have about 25% of the carbon-14 of a now-living object,about how old is the cave painting?

• A) 5,730 years
• B) 11,500 years
• C) 17,200 years
• D) Not enough information is given to determine the age.

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Definitions:

Developing Gametes

The process of gametogenesis, where germ cells undergo division and maturation to form mature sperm in males or ova (eggs) in females.

Developing Embryo/Fetus

Refers to the growth and development process of a new organism inside a mother's womb, from conception until birth.

Luteal Phase

Portion of the menstrual cycle extending from the time of formation of the corpus luteum after ovulation to the time when menstrual flow begins; usually 14 days in length; also called secretory phase.

Blood Hormone Levels

The concentration of hormones within the bloodstream, which can affect various bodily functions and health conditions.