Why were the fossil remains of Mesosaurus important to Alfred Wegener?(1 point)
Responses
They proved that Mesosaurus is extinct.
They proved that Mesosaurus is extinct.
They proved that Earth is composed of several rocky tectonic plates.
They proved that Earth is composed of several rocky tectonic plates.
They were the first fossils discovered in Africa and South America.
They were the first fossils discovered in Africa and South America.
They suggested that the two continents where they were found could have been joined
in the past and then drifted apart.
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They suggested that the two continents where they were found could have been joined in the past and then drifted apart.
Geologist discovered fossils of identical spider mites from the same time period but on opposite sides of the ocean from each other. What conclusion is supported by the discovery of these fossils?(1 point)
Responses
The climate was much cooler during the time that the mites lived.
The climate was much cooler during the time that the mites lived.
The locations of the fossils were once vast swamp lands.
The locations of the fossils were once vast swamp lands.
The locations of the fossils were once much closer to each other.
The locations of the fossils were once much closer to each other.
The mites were extraordinary swimmers.
The locations of the fossils were once much closer to each other.
Where would you be most likely to find the oldest rocks on Earth?(1 point)
Responses
at the outer edges of oceanic crust
at the outer edges of oceanic crust
in the middle of the highest mountains
in the middle of the highest mountains
in the middle of the continents
in the middle of the continents
in the middle of the oceans
in the middle of the continents
Which best describes paleomagnetism?(1 point)
Responses
the study of earthquakes
the study of earthquakes
the study of plate movement
the study of plate movement
the study of ancient magnetic fields
the study of ancient magnetic fields
the study of rock formations
the study of ancient magnetic fields
At which type of plate boundary do tectonic plates slide past each other?(1 point)
Responses
at oceanic-oceanic boundaries
at oceanic-oceanic boundaries
at transform boundaries
at transform boundaries
at convergent boundaries
at convergent boundaries
at divergent boundaries
at transform boundaries
Which of the following provide evidence that South America, Africa, Antarctica, and Australia were once together as one supercontinent? Select the three correct answers.(2 points)
Responses
Cratons match across the edges of continents.
Cratons match across the edges of continents.
Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.
Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.
Icy glaciers covered South America, Africa, Antarctica, and Australia as one supercontinent over the North Pole.
Icy glaciers covered South America, Africa, Antarctica, and Australia as one supercontinent over the North Pole.
Mountain chains match up where South America collided with Australia to form Pangaea.
Mountain chains match up where South America collided with Australia to form Pangaea.
Vast deposits of coal formed in regions with ancient deserts.
Vast deposits of coal formed in regions with ancient deserts.
Fossils of marsupials were originally the same across South America and Australia.
Cratons match across the edges of continents.
Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions.
Mountain chains match up where South America collided with Australia to form Pangaea.
Geologists discovered that the largest coal deposits were formed around 300 million years ago. How did this observation support the theory of plate tectonics?(1 point)
Responses
Around that time, those regions were located near the south pole where coal would likely have formed.
Around that time, those regions were located near the south pole where coal would likely have formed.
Around that time, it is thought that those regions were located along the ridge of a long mountain chain.
Around that time, it is thought that those regions were located along the ridge of a long mountain chain.
Around that time, those regions were located in tropical climates that were partially submerged on the coasts.
Around that time, those regions were located in tropical climates that were partially submerged on the coasts.
Around that time, those regions were located on arid plateaus in temperate regions.