Because the Early Earth Was a Large Sphere of Magma

question 38

Multiple Choice

Because the early Earth was a large sphere of magma, the earliest rocks that formed here were recycled into the mantle long ago.What is the age of the oldest radiometrically dated rocks discovered on the planet? (Or, what is the age of the oldest remaining rocks on Earth?)

• A)6,000 years old
• B)4.6 million years old
• C)4 billion years old
• D)4.6 billion years old

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Definitions:

GDP

Gross Domestic Product, a monetary measure of the market value of all final goods and services produced in a country during a specific period.

Automatic Stabilizer

Economic policies and programs, such as unemployment benefits, that automatically adjust to stabilize an economy's fluctuations without direct intervention by policymakers.

Welfare

Financial and social support programs provided by the government to assist individuals and families in need.

Transfer Payments

Money or benefits distributed by the government to individuals without requiring a direct exchange of goods or services, often aimed at providing social welfare.