Which radioactive decay process has the longest half-life and is useful in determining the absolute age of Earth's oldest rocks?

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Because if the high percentange of europeans living there, what two countries are known as immigrant nations?

In Colombia, doing what action is considered rude during a conversation? a.) maintaining eye contact b.) smiling c.) standing close d.) backing away

Which type of renewable or inexhaustible resource do you think would work well in your area? justify your answer.

How did geography affect the development of belief systems in ancient civilizations?

Which of the following is true about ecosystems?

1. When governments seek a favorable trade balance, they want A to raise taxes on exports B imports to equal exports C to export more than they import D to import more than they export

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3) Which of the following may move and cause an earthquake to occur? A: Asthenosphere B: Lithosphere C: Plate D: Mantle

What statement best describes the relationship between power and authority? A. Authority is a type of power used only in democracies. B. Authority is the ability to use power legitimately. C.