At which type of boundary is new oceanic crust created?(1 point)
Responses
a divergent plate boundary
a divergent plate boundary
a subduction plate boundary
a subduction plate boundary
a transform plate boundary
a transform plate boundary
a convergent plate boundary
a convergent plate boundary
a divergent plate boundary
Which of these pieces of evidence did Alfred Wegener cite to support his hypothesis of continental drift?(1 point)
Responses
Contraction of the Earth caused folded mountains to form.
Contraction of the Earth caused folded mountains to form.
Similar fossils have been found at the bottom of the ocean and on land.
Similar fossils have been found at the bottom of the ocean and on land.
The continents fit together like a puzzle.
The continents fit together like a puzzle.
New oceanic crust formed between the northern and southern continents, pushing them apart.
New oceanic crust formed between the northern and southern continents, pushing them apart.
Similar fossils have been found at the bottom of the ocean and on land.
The continents fit together like a puzzle.
Which best explains mantle convection?(1 point)
Responses
Warmer material in the mantle moves down, and cooler material in the mantle moves up.
Warmer material in the mantle moves down, and cooler material in the mantle moves up.
Warmer and cooler material in the mantle move up.
Warmer and cooler material in the mantle move up.
Warmer and cooler material in the mantle move down.
Warmer and cooler material in the mantle move down.
Cooler material in the mantle moves down, and warmer material in the mantle moves up.