Answer:
Explanation:
Desertification:
The process of the land degradation in arid , semi - arid , and sub - humid areas because of the factors , human activities , climatic variations .
This process lead to persistent degradation of the dry land and ecosystem because of some variation in climate and man - made activities .
The major cause of Desertification are -
1. Overpopulation
2. Overgrazing
3. Deforestation
4. Unsustainable agriculture techniques
5. Climate change
6. Stripping of land resources .
7. Overgrazing of the land by the cattle and wild stock.
Australia is referred to as an island
The correct answer is - Sao Paolo, Brazil.
Sao Paolo is a remarkable city. It is located in the southeastern part of Brazil. This city has experienced, and still is, a rapid development, and also its economic power is growing with each year, making it not just a regional center, but a city that is starting to have influence on the global market as well. Because of this, Sao Paolo has earned the nickname ''the South American Detroit''.
The greenhouse effect is related to the increase in the average surface temperature which is considered "global warming". Global warming is the result of an increase in gases like methane, carbon dioxide, and other factors that lead to a rise in the planet's temperature.