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The concentration of a pollutant in an organism can increase over time through __________.

Why do oceanic plates subduct at subduction zones that form where an oceanic plate converges with a continental plate?

What are the characteristics of sediments supplied to the oceans by glaciers? Select the two that apply.

The Atlantic Ocean is a mature ocean basin that is currently growing wider over time.

The asthenosphere is the layer of magma that the lithosphere floats on top of.

Which of the following waves would not be possible because it is too steep?

Turbidity currents are fast-flowing sluries of water and sediment that flow down slope. They can potentially carry sediments of all grain sizes. Which grain size would be the first to deposit as a turbidity current slows?

Coastal upwelling occurs due to Ekman transport.

What substance do coral polyps create their skeletons from?

At which of the following tectonic settings would you expect chemosynthetic organisms to be the most abundant?