(Figure 22

question 58

Essay

(Figure 22.27) What caused changing tree distributions seen in the figure? As global warming increases temperatures, what can be expected to happen to tree distributions of spruce, hemlock, and oak?

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Definitions:

Economic Growth

An increase in the production and consumption of goods and services, reflecting an improvement in a country's economy over time, typically measured by GDP.

Tariff Rates

The taxes imposed by a government on imported or, less commonly, exported goods, often used to protect domestic industries or to generate revenue.

Import Quotas

Limits imposed by a government on the quantity or value of certain goods that can be imported into a country during a specific time.

U.S. Exports

Goods or services produced in the United States and sold to other countries, contributing to the country's economy and trade balance.