During evaporation of seawater, the dissolved salts ____.

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

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?

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

The result of PCA can be considered

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

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

Kelp forests: List, with brief explanations, four (4) ways that the role of kelp in the ocean ecosystem, i.e., effect on the ecosystem, is similar to the role of trees on land.  If you list structural similarities between kelp and trees, you must explain the roles/effects of those kelp structures in the ecosystem.

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.

Global warming and sea level: a) How has global warming caused global sea level to rise over the past century?  Explain 2 different mechanisms.  b) Where are the 2 regions of ice that could cause the largest global sea level rise if they melt?