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The Oldest Material Found on Earth Is a Zircon Grain

question 3

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The oldest material found on Earth is a zircon grain that is 4.12 Ga.How come there are no rocks that are the same age as Earth (4.54 Ga) ?


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Discouraged Workers

Individuals who have stopped looking for work because they believe there are no job opportunities available for them.

Cyclically Unemployed

Individuals who have lost their jobs due to a downturn in the business cycle, reflecting a lack of demand within the economy.

Frictionally Unemployed

Individuals temporarily out of work while transitioning between jobs or entering the workforce.

Structurally Unemployed

Individuals who are unemployed due to changes in the market that make their skills obsolete.

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