An echocardiogram is a type of ultrasound test that measures sound waves as they bounce off the different parts of a person's heart. Which of these is the best model for how this test works?
A. Counting the seconds between yelling and hearing an echo in a cave
B. Counting the minutes it takes a ship's anchor to reach the seafloor
C. Counting the seconds between seeing lightning and hearing thunder
D. Counting the minutes it takes a pot of water to come to a boil

answer is c

explanation:

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

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prndulum needs thread, weight clock to time swings