Check About This Mac. From the Apple ( ) menu in the corner of your screen, choose About This Mac. The version of your operating system appears beneath âmacOSâ or âOS Xâ in the window that opens. If you need to know the build, click the version. This example shows macOS High Sierra version 10.13, build 17A365:
Biomass is fuel that is developed from organic materials, a renewable and sustainable source of energy used to create electricity or other forms of power. Some examples of materials that make up biomass fuels are: 1  scrap lumber; 2  forest debris;
Since they can be grown again, this energy source is fully renewable. Another important source of biomass in the home is garbage, which is approximately 60% biomass. The easiest and most efficient way to use biomass as energy is to burn it.When it is burned, a part of the internal chemical energy convers to heat. For some homeowners, certain types of garbage can be burned to heat their homes, although this is not always a practical in a modern home.he term biomass casually refers to biological material that can be used as fuel. It can be something as simple as a wooden log or more complex like alcohol. Biomass for millennia has been the primary energy source on the planet.