Which features do most stratovolcanoes and cinder cone volcanoes have in common?(1 point)
Responses
violent eruptions and thin, flowing lava
violent eruptions and thin, flowing lava
wide dome shape and thick lava
wide dome shape and thick lava
broad base with quiet eruptions
broad base with quiet eruptions
steep sides and violent eruptions
steep sides and violent eruptions
Ocean trenches form over millions or billions of years. Which statement accurately describes how ocean trenches form?(1 point)
Responses
a plate of continental crust collides with another plate of continental crust
a plate of continental crust collides with another plate of continental crust
two plates of continental crust slide past each other
two plates of continental crust slide past each other
two plates of oceanic crust pull away from each other
two plates of oceanic crust pull away from each other
a plate of oceanic crust is subducted under a plate of continental crust
a plate of oceanic crust is subducted under a plate of continental crust
Along which features does seafloor spreading occur?(1 point)
Responses
fault lines
fault lines
ocean basins
ocean basins
mid-ocean ridges
mid-ocean ridges
ocean trenches
mid-ocean ridges
Why is no land created or destroyed at transform boundaries?(1 point)
Responses
because the plates are more dense at these boundaries
because the plates are more dense at these boundaries
because the plates crumble into each other at these boundaries
because the plates crumble into each other at these boundaries
because the plates only slip past each other at these boundaries
because the plates only slip past each other at these boundaries
because magma rushes into gaps at these boundaries
because the plates only slip past each other at these boundaries
Select the correct answer from the list.(1 point)
In trying to prove continental drift, Alfred Wegener used evidence from long ago to show that in the distant past, similar animal species lived in places that are
today. For example, fossils of the
were found in India, Africa, and Antarctica.
In trying to prove continental drift, Alfred Wegener used evidence from long ago to show that in the distant past, similar animal species lived in places that are today. For example, fossils of the Mesosaurus were found in India, Africa, and Antarctica.
Iron particles in basalt on the ocean floor tell scientists
Select Answer
. In two adjacent magnetic stripes, the iron particles show
Select Answer
alignments