Under what conditions are animals kept in zoos?

Under what conditions is tyndall effect observed ?

Under what conditions for a reaction K_(p) and K_(c) are numerically equal?

Under what conditions of tenperature and pressure the formation of atomic hydrogen from molecular hydrogen will be favoured.

What is ammonification ? Under which condition does ammonification occer?

Under what conditions is the current through the mixed grouping of cells maximum ?

Under what condition of temperature and pressure the formation of some hydromen from molecul hydrogen will be favoured most

Under what soil conditions a farmer would treat the soil of his fields with quick lime or calcium carbonate?