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.
The platypus is very difficult to spot even on the surface of a river.
The Interiors of Earth and Mercury
Lightning on Earth
Surface Features on Titan
Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs
A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp