Which of the following forms of hazardous waste is incorrectly paired with its source? a) pcbs - composting b) nerve gas - old military installations c) mercury - metal refining d) cfcs - air conditioners and refrigerators e) dioxins - combustion of chlorine compounds

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

What must occur for air masses to form fronts