Answer:
A) The lack of adequate demographic data and available lists from which to draw meaningful
Step-by-step explanation:
With respect to international arena, the greatest problem in sampling stems from the lack of adequate demographic data and available lists from which to draw meaningful.
There are are some countries and cities in South America and Asians in which street map are either inadequate or not available atall, This subsequently leads not houses not numbered and streets weren't also identified. This are part of the problem of sampling stems