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 Sun as it appears from the surface of Earth during the middle of the day
Parts of the Hand Used in Palpation; Ulnar Surface
The Inner Surface of Human Lung
Earth’s orientation
Earth’s Spheres
Micrograph of toothbrush bristles scrubbing plaque on a tooth surface.