Una varilla de hierro de 7 m de largo se encuentra a 50 °C, después de soldar su
temperatura aumenta a 145 °C. ¿Cuál es
su longitud final?​

it has to be b, about 97 percent.

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

i believe the answer is electric potential.

explanation:

k2s for potassium sulphide