Upwelling
only happens in the open sea
happens when water sinks toward the ocean floor
happens when water rises to replace moving surface water
is caused by breaks or disruptions in a longshore current

The answer is C, happens when water rises to replace moving surface water.

answer

procedural programming, object-oriented programming

explanation

procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures   within its development period of time. it contains a systematic order of statements, functions and commands to complete a computational task or program. it is centered on creating procedures. while object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. it has four principles which are inheritance, polymorphism, abstraction and encapsulation