Methane Locked in the Permafrost Soils of the Tundra Contains

question 60

Multiple Choice

Methane locked in the permafrost soils of the tundra contains ____ times the amount of carbon dioxide released from burning fossil fuels each year.

• A)70─100
• B)50─60
• C)30─40
• D)20─30
• E)10─15

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Definitions:

Progressive Tax

A taxation system where the tax rate increases as the taxable amount or income increases, placing a higher burden on wealthier individuals.

Percentage Of Income

A measure or calculation that represents a portion of a person's income.

Average Tax Rate

The ratio of the total amount of taxes paid to the total tax base (income, spending, etc.), indicating the percentage of total income or spending that is paid in taxes.

Marginal Tax Rate

The marginal tax rate is the rate at which the last dollar of income is taxed, reflecting the proportion of additional income that is paid in taxes.