Water naturally exists in which states of matter

solid, liquid, and gas

Explanation:

water is mostly a liquid, but in many places, like Antarctica, it is solid because its ice, and in places like Yellowstone, its a gas when it is heated and makes steam

a. are

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