Because that is how to punctuate a question properly.
No. A question always has to end with a question mark.
No, hypotheses do not always end with a question mark. A hypothesis is a statement that predicts the outcome of an experiment or research study and is typically written as a declarative statement, not as a question.
No, not always. most of the time, though, but not always
This isn't a question, it's a cleché with a question mark at the end.
A question mark is placed at the end of a sentence if the sentence is a question.
This *might* be referring to end punctuation, i.e. the punctuation mark at the end of a sentence or question. It might be a period, a question mark, an exclamation mark.
You can end a sentence with a period.Hey, end it with an exclamation mark!What was the question?
A question mark is a punctuation mark used to end an interrogatory sentence.
Questions. Questions end with a question mark. Sentences that are a question usually start with Who, What, Why, Where, When, How, Will, and Is.Examples:What types of sentences end in a question mark?Who is the muffin man?
Question mark (?) is put at the end of a sentence to indicate that it is a question.
No, not every sentence with "if" has to end with a question mark. The use of a question mark at the end of a sentence depends on whether the sentence is asking a question or stating a fact.
A question mark ?