To make grain products edible, they are crushed, popped, pulverized, milled, or modified in order to expose the:

Grains that are crushed or milled or pulverized tends to make flour so that they can be baked into bread products whereas popped grains like corn converts the hard grain to a soft form which can be eaten as popcorn so the whole purpose of processing them is to make them more edible.

The business cycle is the periodic but irregular up-and-down movement in economic activity, measured by fluctuations in real gross domestic product (gdp) and other macroeconomic variables. a business cycle is typically characterized by four phases—recession, recovery, growth, and decline—that repeat themselves over time. economists note, however, that complete business cycles vary in length. the duration of business cycles can be anywhere from about two to twelve years, with most cycles averaging six years in length. some business analysts use the business cycle model and terminology to study and explain fluctuations in business inventory and other individual elements of corporate operations. but the term "business cycle" is still primarily associated with larger (industry-wide, regional, national, or even international) business trends.

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