What is the minimum number of seismograph stations needed to determine precisely where an earthquake has occurred?

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The Martian moon Phobos orbits near the equatorial plane of Mars in just over 7.5 hours in the same direction as the planet rotation. How then would you see Phobos move across the Martian sky from the surface of the planet

What is the largest religion in the world? 1. Islam 2. Hinduism 3. Christianity 4. Judaism

Which of the following is a type of physical weathering? A. thermal expansion B. dissolution C. oxidation D. hydration

Most metamorphic processes take place a. several hundred kilometers below earth's surface. b. a few kilometers below earth's surface. c. just below earth's surface. d. on earth's surface. reset selection

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.