Question

effect of lons on permeability and their antagonism: nacl and cacl2?(anhydrous) of conc. 1.88%?

Answer 1

https://www.google.co.in/search?q=gshock+images&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiLxorF8ajcAhXRXysKHSb1CGoQ_AUICigB&biw=1366&bih=662#imgrc=v6JAKOBePNMiBM:

Answer 2

Ethnic or racial antagonism is seen as a special case of class antagonism where classes are defined in terms of their relation to the exercise of authority rather than in terms of their relation to the means of production (Dahrendorf, 1959).