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
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Mars oppositions from 2003-2018, viewed from above the ecliptic with the Earth centered
Temperature Profile of Earth’s Atmosphere
Earth
Jet streams and Earth’s heat budget