Aparticle distribution is log-normal with a d50 of 8.0 microns, and a ơg of 3.0. the total mass concentration is 100 mg/m3. plot the log-normal distribution of particle mass in the size range of 0.5 to 100 microns with bin size of 0.5 microns and determine the mass percent of particles below 5 microns

lol idk man i guess u gotta ask bill nye the science guy

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