Black Holes: Facts, Theory & Definition. Black holes are some of the strangest and most fascinating objects found in outer space. They are objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough.
Chemigation is the injection any chemical such as nitrogen, phosphorus or a pesticide into irrigation water and applied to the land using the irrigation system. The proper use of chemigation is recognized as a Best Management Practice (BMP) for irrigated agriculture.
Structural fumigation is a treatment technique used to control drywood termite infestations in a home. This treatment method should be used only when the infestation is too extensive, too difficult to locate or too difficult to access with more targeted methods.tructural fumigation is a treatment technique used to control drywood termite infestations in a home. This treatment method should be used only when the infestation is too extensive, too difficult to locate or too difficult to access with more targeted methods.