Describe the seafloor spreading hypothesis.

What will be an ideal response?


The seafloor spreading hypothesis states that ocean basins spread apart as the ocean crust grows at the midocean ridges.

Environmental & Atmospheric Sciences

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Tropical coral reefs typically form in areas of high wave energy

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What type of rock is shown in this photograph from the Investigation?

A. an igneous rock B. shale C. a metamorphic rock D. conglomerate E. sandstone

Environmental & Atmospheric Sciences

The North American Cordillera was only active in the Mesozoic and has a very simple deformational history

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What role does water play in generating magma?

A) Water lubricates the path for subducting plates, allowing them to subduct deeper. B) Water lowers the density of the rock, allowing it to melt. C) Water cools the rock, preventing melting. D) Water lowers the melting temperature of the rock, allowing it to melt.

Environmental & Atmospheric Sciences