A sample of spirit contains 92% of ethanol by weight, the rest being water. What is the mole fraction of its constituents?

in this excerpt from "a wedding gift," the scene is an example of the theme of tragedy because the infant's mother has just died.

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

i believe the answer is true.