Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово CAUSE так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

Some of the natural wonders are known for their beauty. The Meteor Crater is not one of them. It looks like a big hole in the desert. It ______ by a meteorite hitting the earth thousands of years ago.