What is the impact of using irony in a story's ending

When you use irony to close off a story it is usually used to impact a cold and non-light-hearted ending. It is used to show cruelty and coldness instead of ending the story with light. The brother's Grimm did this a lot because their stories were dark and had less of a "touchy" feel. Hope this helps! :)

Explanation:

a bird that nests only in a particular tree species.

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers