The correct answer is - A. Desertification is increasing, and the desert is expanding.
The Sahara desert has been expanding in the past decades, and it has started to overtake territory south of it. This is mainly due to climate changes, the precipitation has been decreasing, the temperatures have been rising, so the desert has slowly crippled into the territories that were once steppes and savannas. There is an organized action from the people that leave on the borderline of the desert, where they have been thought some techniques as to how to stop the desert growing, and they have gladly accepted it and work hard on it. Initially it seems that there are positive results, but for sure only the time will tell.
Answer:
To contemplate the natural world, researchers use techniques that are exact, which implies that they are grounded in perceptions and experimentation and are not founded on sentiments or emotions. Logical request alludes to exercises and works on including researchers' quest for information
Explanation:
Answer: 12.8%
Explanation:
Urbanization rates show the the development of a nation because it shows how much of the population now live in cities which is synonymous with production and growth as opposed to rural areas which are associated with technological backwardness and agricultural overdependence.
The percentage of PNG's urban population can be calculated by the formula:
= Urban population / Total population * 100%
= 977,000 / 7,645,000 * 100%
= 12.8%