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Surface currents on the western side of the subtropical gyres are ____ than their eastern counterparts.

Upwelling occurs in which of the following?

Which of the following best explains the intuition behind the sensitivity to outliers?

Bisecting k-means chooses a cluster to split by the ___ of the cluster.

All circles in the following figure have the radius of 1 unit. Given that ε = 1 unit and MinPts = 4, which of the following answers is correct?

K-prototypes is designed to work with what type of data?

The feature(s) that maximize variance and minimize reconstruction error are equivalent.

Each Principal Component is a non-linear combination of a subset of the original dimensions

Each Principal Component is a linear combination of a subset of the original dimensions

Deep-ocean trenches are the deepest parts of the ocean.  a) What are deep-ocean trenches?  How are they related to plate tectonics?  Be sure to explain in your own words. b) Name a deep-ocean trench and describe where it is located. Extra credit:  Why are trenches always deeper than the seafloor next to them?    Do not rely just on Figure 4-11 for this question.  Also see Figure 4-15.