Finally, I would also cite that a lot of butterflies die because they are a victim of predators. As you can see, there is no simple answer to the question how long butterflies live, but in general we can assume that an adult butterfly can live for a month. If you add the other stages of the butterfly life cycle (egg, caterpillar, pupa), they can survive up to a year.
1. Use commas to separate independent clauses when they are joined by any of these seven coordinating conjunctions: and, but, for, or, nor, so, yet. The game was over, but the crowd refused to leave. The student explained her question, yet the instructor still didn't seem to understand.
The comma is used in many contexts and languages, mainly for separating parts of a sentence such as clauses, and items in lists, particularly when there are three or more items listed.