From the given options, select the figure of speech (poetic device) used in expression: ' Mount Everest is the mother of all hills '

personification

The correct poetic device used in the expression "Mount Everest is the mother of all hills" is personification.

Personification is a figure of speech in which an inanimate object or abstract concept is given human qualities. In this case, the mountain Mount Everest is given the quality of motherhood. This creates a sense of the mountain as being a powerful and nurturing force.

The other answer choices are incorrect. Alliteration is the repetition of consonant sounds at the beginning of words. Simile is a figure of speech in which two things are compared using the words "like" or "as." Oxymoron is a figure of speech in which two contradictory terms are used together. None of these devices are used in the expression "Mount Everest is the mother of all hills".

The personification in the expression "Mount Everest is the mother of all hills" is a simple but effective way to create a sense of the mountain as being a powerful and nurturing force. It is often used to describe the feeling of being connected to nature or to a sense of awe and wonder.