Answer:
Bio gas
Explanation:
Bio gas is gotten from the anaerobic breaking down of biomass especially animal waste.
PROS:
A. it is renewable: biogas is renewable and has an endless supply of material since animals are the main source when compared to fossil fuels.
B. It doesn't involve a rigorous mining exersice to get to like fossil fuels and it is in accessible abundance.
CON:
A. A lot of waste is needed for the product of biogas and the final waste (sludge) from the production process can be a huge problem to dispose off.
B. Some of the gases liberated in the manufacturing process are greenhouse gas, especially methane. These gases if let out, will contribute immensly to global warming.
I assume that the mushroom gets eaten by an animal. If that's not the answer you're looking for.. my apologies.
A scientific theory<span> is a well-substantiated explanation of some aspect of the natural world that is acquired through the </span>scientific method<span> and </span>repeatedly tested and confirmed<span> through </span>observation<span> and </span>experimentation.<span> Scientific theories are the most reliable, rigorous, and comprehensive form of scientific </span>knowledge.