The Atmosphere Contains About 700

question 45

Multiple Choice

The atmosphere contains about 700. billion metric tons of carbon in the form of carbon dioxide. In the carbon cycle, about 200. billion metric tons of carbon (as carbon dioxide) enters the atmosphere each year. Assuming that 200. billion metric tons of carbon also leaves the atmosphere annually, how many years does the average carbon atom spend in the atmosphere in each cycle?

• A)0.29 years
• B)3.5 years
• C)500. years
• D)140,000 years
• E)More information is needed in order to calculate the answer.

---

Definitions:

Economic Disadvantage

A status where individuals or communities have significantly lower income, education, and employment opportunities compared to the general population.

Health Picture

A comprehensive overview or snapshot of an individual's current and potential health status.

Sleep People Need

Refers to the recommended amount of sleep individuals require each night to function optimally, varying by age and individual health needs.

Teenagers

Individuals in the stage of human life following childhood and preceding adulthood, typically ranging in age from 13 to 19 years.