The availability of water is a problem in the developing world because, often, those countries are located in regions where water is scarce as the climate is dry or very hot, so the reservoirs of water are extremely rare and often they are under the control of the power entities, which can make the access to the resource even more difficult.
Answer:
Papua New Guinea
Explanation:
Papua New Guinea has the most languages, with 840 living languages. Indonesia comes in second, with 710 living languages. Third place goes to Nigeria, having 515 living languages.
Not completely sure but logically people go to cities to find jobs :) hope this helps
Considering the available options, the discovery responsible for the shift from rural to urban population is the "<u>Electricity</u>."
<h3>What is Shift from Rural to Urban Population?</h3>
The Shift from Rural to Urban population is the increase in the population of the urban centers due to migration from the rural areas.
Following the discovery of electricity, there is a rise in industrialization, thereby leading to people migrating from rural areas to urban areas to get jobs and live better lives.
Hence, in this case, it is concluded the correct answer is option D. "Electricity."
Learn more about the impact of electricity here: brainly.com/question/16620781