The nebular hypothesis suggests that:

A patient presents with a diagnosis of Achilles tendinopathy with  pain localized at the insertion of the calcaneus.   This findings suggests

Manganese nodules are an example of:

Oceanic crust is primarily:

The separation of the Earth into layers was the result of the:

Directly seaward of the continental shelf is a more steeply sloping region called the:

The most gradual change in slope in the ocean can be found at the:

The sea floor feature in the figure is most likely a result of:

Not serious bonus questions.  1/2 point for each correct answer

Which of the following statements is true of the asthenosphere?