Answer:
A biogeochemical cycle is one of several natural cycles, in which conserved matter moves through the biotic and abiotic parts of an ecosystem. ... Each of these elements is circulated through the biotic components, which are the living parts of an ecosystem, and the abiotic components, which are the non-living parts.
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon–carbon or carbon–hydrogen bonds. ... Lipids also provide insulation from the environment for plants and animals hope this helps
The answer to this question is Fossil Fuels
Glycerol is found in triglyceride. Glycerol is the main ingredient in vegetable oils and fats. It forms the base of triglyceride.