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.
Coral reefs are influenced by sea surface temperatures.
Animals and plants of the intertidal zone adhering to their rocky surface.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
Surface Dyslexia
Surface molecules involved in the interaction between an antigen-presenting cell and a CD4+ T cell.
A Platypus swimming in Broken River, Eungella National Park, Queensland, Australia.