A gas occupies a volume of 498 ml at a pressure of 1.01 kPa. When the pressure is changed the volume becomes 477ml. If there has been no change in temperature, what is
the new pressure in kPa?

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