Which statement best describes the age of the seafloor?
Select one:
AIt is constant throughout the world.
BIt is younger near the center and older near the continents.
CIt is older near the center and younger near the continents.
DThe seafloor is the newest landform on Earth.
The Pangaea theory supports the theory of plate tectonics because _____________.
Select one:
Ait is based on the idea that there were several land masses when Earth was first created
Bit is based on the idea that all the present continents were one supercontinent
Cit does not require scientists to support the notion that Earth’s plates can move
Done day, Earth will have one large land mass again
What is a subduction zone?
Select one:
AA place where one plate is pushed down under another, such that it melts into the mantle
BA place where two plates collide and mountains form
CA place where hot material from the core rises through the mantle
DA place where the seafloor is spreading
Select one:
AIt is constant throughout the world.
BIt is younger near the center and older near the continents.
CIt is older near the center and younger near the continents.
DThe seafloor is the newest landform on Earth.
Select one:
Ait is based on the idea that there were several land masses when Earth was first created
Bit is based on the idea that all the present continents were one supercontinent
Cit does not require scientists to support the notion that Earth’s plates can move
Done day, Earth will have one large land mass again
Select one:
AA place where one plate is pushed down under another, such that it melts into the mantle
BA place where two plates collide and mountains form
CA place where hot material from the core rises through the mantle
DA place where the seafloor is spreading