Why do people in less developed countries use wood as a primary energy source?

The answer for this one is that wood is the oldest mean of energy and it is also cheap that is why people in less developed coubtries use wood as a primary energy source.

Explanation:

The Developing countries depends on the wood and other forest goods for their everyday cooking and heating needs, prompting the public to assist with tropical deforestation and insecurity through the usage of these tools.

Both ideas— that forest-derived energy is mainly used in the developed nation and its value in the energy portfolios of advanced economies is negligible— fail to catch

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.