Answer to Question 1
A business cycle is the periodic but irregular up-and-down movement in production and jobs. It has two phases and two turning points. As the economy slows and the growth in real GDP turns negative, the economy enters the recession phase of the business cycle. At the bottom of the recession phase is one turning point, the trough. As the economy moves through the trough, it enters the expansion part of the business cycle during which real GDP grows. Finally, as the economy reaches its high point and swings from an expansion to a recession, the economy passes through the other turning point, the peak.
Answer to Question 2
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The colonization cycle of stream invertebrates.
the four stages of the cell cycle
Antineoplastic agents and the cell cycle
Phases of the normal walking gait.
Entrepreneurship: Starting and Operating a Small Business (3rd Edition)
The Female Reproductive Cycle