Which of the following is a theory about the mechanism of plate tectonics? All of these Convection currents Hot plumes None of these Slab push/slab pull

13. What hypothesis states that the continents were once joined to form a single supercontinent? sea-floor spreading paleomagnetism continental drift plate tectonics

Alfred Wegener was unsuccessful in proving his theory during his own lifetime primarily because he himself was not a trained scientist. True False

(02.01 LC) Examples of tundra biomes are all found near the equator. True False

Reconstructing Pangea puts today's northern landmasses at the __ and the southern landmasses at the __ north pole; south pole equator; north pole south pole; north pole equator; south pole

Which type of stress is a uniform stress that doesn't lead to earthquakes? A) Lithostatic pressure B) Shear stress C) Compression

__ is the layer of warm rock below the crust and uppermost mantle that readily deforms and flows plastically. Lithosphere Asthenosphere Moho

The core of Earth is thought to consist mostly of __ copper lead iron nickel

Which word describes a mineral's tendency to break along planes of weakness? cleavage luster specific gravity fracture

Which is NOT part of the definition of a mineral? Inorganic Solid Man-made Specific Structure

19. Oceanic crust is different from continental crust-it is thinner and has a different composition than continental crust. Which is denser?