Where Does Most of Earth's ¹⁴C Come From

question 30

Multiple Choice

Where does most of Earth's ¹⁴C come from?

• A) It is continually being formed as a result of the photosynthesis process
• B) It is continually being formed by the impact of cosmic rays on the atmosphere.
• C) It comes to Earth from outer space along with other cosmic rays.
• D) It was deposited on Earth when the solar system first evolved.
• E) It was deposited on Earth many years ago by meteors.

---

Definitions:

Renaissance

French, “rebirth.” The term used to describe the history, culture, and art of 14th- through 16th-century western Europe during which artists consciously revived the classical style.

Medici Family

A wealthy and powerful Italian family who were significant patrons of the arts and instrumental in the Renaissance's development.

Humanism

In the Renaissance, an emphasis on education and on expanding knowledge (especially of classical antiquity), the exploration of individual potential and a desire to excel, and a commitment to civic responsibility and moral duty.

Palazzo Medici-Riccardi

A Renaissance palace in Florence, Italy, which served as the main residence of the Medici family, showcasing the wealth and power of this influential family.