In 1882, german bacteriologist paul erhlich described a method for staining mycobacterium and noted, "it may be that all disinfecting agents which are acidic will be without effect on this [tubercle] bacillus, and one will have to be limited to alkaline agents." how did he reach this conclusion without testing disinfectants?

Which of the following is true of the strategy of planned and unplanned change in global marketing? a) cultural congruence involves deliberately changing certain aspects of culture to meet marketing goals.b) all marketing efforts require planned or unplanned change in order to be accepted.c) planned change involves marketing products similar to the ones already on the market.d) the first step in bringing about planned change in a society is to remove obstacles for acceptance of a product.e) social planners gained the acceptance of protein-rich diets among the peoples of underdeveloped societies using the strategy of planned change.