Alfred Wegener is well known for hypothesizing that:
a. Earth's surface is broken into several major lithospheric plates.
b. new oceanic crust is formed at subduction zones.
c. the magnetic poles have reversed on occasion during geologic time.
d. over time, the continents change their geographic position.
e. the inner core is molten.
Question 2
Metamorphic rocks:
a. form when molted rock comes in contact with the atmosphere.
b. often form depositional layers called bedding planes.
c. are usually softer and less resistant to weathering than other rocks.
d. can be metamorphosed.
e. include the rocks obsidian and conglomerate.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer
Alfred Hershey and Martha Chase
Earth’s Spheres
Red rocks due to oxidation of iron near the surface
Idealized Tidal Bulges on Earth