The sex ratio of any population may be affected by?
...The sex ratio of any population may be affected by?
mortality
morbidity
migration
fertility
Correct answer is B
No explanation has been provided for this answer.
The name given to two or more towns/cities which have grown to merge with one another is? ...
The world population is estimated at about ...
The principal of a closed traversed is that? ...
The typical red tropical soil is ...
Soil erosion by action of rain can be caused by all of the following except ...
Which of the following groups of features is normally associated with the old age of a river? ...
The temperature of the warmest month at Station X is ...
The greatest advantage of pereninnial irrigation is that ...