Here's why:
* Conjunctions are words that connect words, phrases, or clauses.
* "And" is used to combine similar ideas or things.
* "But" is used to show contrast between ideas or things.
* "Or" is used to present alternatives or choices.
Let's look at some examples:
* And: "I like apples and oranges."
* But: "I like apples but I don't like bananas."
* Or: "Would you like tea or coffee?"