Zircons Found in Continental Rocks Give Evidence That Continental Crust

question 119

Multiple Choice

Zircons found in continental rocks give evidence that continental crust was forming as long ago as ________.

• A)4)4 billion years ago
• B)1)9 billion years ago
• C)564 million years ago
• D)70 million years ago
• E)10,000 years ago

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Definitions:

MRS (Marginal Rate Of Substitution)

The rate at which a consumer is willing to substitute one good for another while maintaining the same level of satisfaction.

MRT (Marginal Rate Of Transformation)

The rate at which goods or services can be transformed into other goods or services, reflecting the opportunity cost of shifting resources in production.

Marginal Rates

The additional or incremental tax rate applied to every additional dollar of income.

First Theorem

Likely refers to the First Fundamental Theorem of Welfare Economics, which states that competitive markets lead to an efficient allocation of resources under certain conditions.