Using complete sentences, briefly describe the relationship between the GDP and the business cycle.

It is an important measure of the economy's overall health. The business cycle refers to the rise and fall of economic activity through periods of expansion and recession. ... Therefore, the GDP is the overall economic activity, and the business cycle is the ebbs and flows of the activity.

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I did the practice, here's the sample response.

Explanation:

The Gross Domestic Product (GDP) is the value of all final goods and services produced within a country’s borders in a given year. It is an important measure of economy’s overall health. The business cycle refers to the rise and fall of economic activity through periods of expansion and recession. It reflects the ups and downs of the nation’s real GDP, and its cycles of expansion, peak, recession, and trough. Therefore, the GDP is the overall economic activity, and the business cycle is the ebbs and flows of the activity.

a.) d-day invasion of normandy.

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option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

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