A useful form of decay is compost were it breaks down leafs and old used fruit and peelings .
They decay at a predictable rate.
A polymer coating may be useful.
burnable fuels are unexpensive and abundant
The decay of dead organisms in the soil makes the biochemical constituents of that organism more readily available for use by plant life; in other words, it turns dead things into fertilizer, and is a form of recycling. Therefore, it is useful.
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the process of decay is important because it brinks back the useful nutrients to the environment
hydroochloric acid helps ffight germs in ya stomach..and bases are usedd in toothpaste to fight tooth decay caused by acids
Eating cheese at the end of a meal can help to neutralise the acids in your mouth and reduces the chances of tooth decay occurring.
gamma decay beta decay alpha decay
Decay is helpful mainly because it prevents the ecosystem from getting cluttered up with dead matter, and because decaying matter provides an environment for the development of living organisms.
Bacteria help to break down and decay material organic materials. They also aid with digestion inside of the body, and help to keep fungus in check.
I believe relative decay is the decay over time.