Answer:
Dynamic
Explanation:
A dynamic web page is a type of web page that shows different and diverse content each time it's viewed. For instance, the webpage may adjust with every passing time of day, it might also change according to the different preference of each user that accesses the webpage, or the kind of user interaction.
D: the side of a mountain
Answer:
Abstraction
Explanation:
Under fundamental principles of software engineering, the term "abstraction" is simply defined as the act of highlighting some details and hiding other ones.
Thus, the correct answer among the options is Abstraction.