How do the witches create tension in Macbeth?

you need to include the text. we have no idea what you are referring to

the universe is complete credible source of our oxygen

greywater is gently used water from your bathroom sinks, showers, tubs, and washing machines. it is not water that has come into contact with feces, either from the toilet or from washing diapers. greywater may contain traces of dirt, food, grease, hair, and certain household cleaning products.