Witch statement is true of facts and opinion

A fact is a statement that is true and it can be judged objectively. So that, a fact is true and correct in all circumstances. An opinion, however, is a statement that based on a belief; it shows how someone feels. Indeed, opinion and fact are not synonyms.

right angles are formed by perpendicular lines. if the lines would extend, to make two intersecting lines, they would form four right angles.

cavern or cave

i hope this