NPI Search The second method, most likely to be used by medical professionals, is to search by the health care provider's NPI number. To begin an NPI lookup please enter the NPI number in the search box below and click search. If a match is found you will be automatically directed to the provider's profile page.
Convection currents: a cycle of which heat energy in a liquid rises to the top then becomes dense because it is farther away from the heat source at the bottom. the energy sinks to the bottom then heats up again. the cycle repeats.
density current: descent to the ocean floor Diagram showing the behaviour of a density current as it descends to the seafloor. EncyclopÃ¦dia Britannica, Inc. Density currents are of considerable practical importance.