1) Arithmetic density- the number of people per square unit of land
2) Physiologic density- Is the number of people per square unit of farmland.
3) Agricultural density- is the number farmers per unit of farmland.
Answer: Horizon O forms from organic material. And Horizon C is least affected by the soil formation process. Bedrock lies below the soil layers.
The correct answer is letter (<span>C) The polar air mass moves south to replace the rising maritime tropical air mass.</span> These air masses are bringing cold air to warmer areas most especially during the winter and cool. These air masses are stable and usually does not form much cloud. While the Continental Polar air move down south, across the warmer land, the lower part of the air mass is modified and thus few clouds are formed.
Translocation
hope this helps and maybe a brainly?
A The continents were once joined together
Explanation:
All the continents were once together making a huge one called Pangea.
