Which is the least effective way to eliminate potential triggers from the air inside
your building in most cases?
removing the source of the trigger
o ventilating the spaces used by children
using portable air filters to filter the air
o using your hvac system to filter the air
using multiple fans to circulate the air

Cadillac's portfolio consists of sedans, a crossover, a sport utility vehicle, and a high-performance version of the sedan. the sedans are sold through the cadillac dealer network, but the high-performance version is sold in limited volumes and is not available at all dealers. this difference in availability is an example of how the products within the cadillac portfolio are differentiated by the