According to the Figure Below,how Much Has Atmospheric Carbon Dioxide

question 34

Multiple Choice

According to the figure below,how much has atmospheric carbon dioxide (CO₂) increased in parts per million (ppm) in approximately the last 50 years?

• A)from about 310 to 320 ppm
• B)from about 360 to 400 ppm
• C)from about 320 to 400 ppm
• D)from about 380 to 400 ppm

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Definitions:

Annual Variations

Fluctuations in economic indicators or values that occur on a yearly basis due to various factors such as seasonal patterns or cyclical trends.

Disposable Income

Households’ financial capacity for savings and expenditure after income tax obligations are met.

Consumption Spending

The total value of all goods and services consumed by households and individuals.

Household

A single person or a group of people living together in a single living accommodation, sharing meals or living space, and may operate as a single economic unit.