Which of the following is a geographical limit?

a.) temperature
b.) soil quality
c.) mountains
d.) population density

Option C i.e Mountains is the correct answer.

The other three options i.e temperature, soil quality and population density are no way related to the geographical limit. On the other hand mountain is a landform and is the highest landform of a region. Thus the mountain is a geographical limit and it also form the boundaries between various countries of the world.

the answer is

c. parental

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.