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

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

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?

When rocks are undergoing metamorphism, they melt. True or false? True False