Population density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term. Hope this answered your question
For the given situation above, I think there is a lack of information regarding the one you posted. Here is what I got about the Cordillera Region.
The word Cordillera is actually a Spanish word that means mountain ranges. The climate is warm and temperate in Cordillera. Cordillera has a significant amount of rainfall during the year. This is true even for the driest month. The average annual temperature in Cordillera is 21.2 °C. The average annual rainfall is 1431 mm.
The answer is B) Extremely fertile soils
The justification hypothesis that the early Earth environment was void of oxygen is:
- atmosphere lacked oxygen but abundant in methane, ammonia, water vapour, noble gas, neon etc.
<h3>What did scientist proved about oxygen-less earth?</h3>
Studies revealed that the Earth's atmosphere was devoid of oxygen before more than 2.4 billion years ago.
However, some scientist proved that oxygen get brewing in the atmosphere from the oceans where a cyanobacterial photosynthesis occurred for about as 3 billion years ago.
Read more about Earth environment
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