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EzraSustainability is a concept that captures our ability to keep something going, any sort of societal practice or practice that a business, industry, or community does.
In a general sense, renewable resources are sustainable, because they can be regenerated, but it is not sustainable to use them faster than they are able to regenerate. Using non-renewable resources, like fossil fuels, is also not sustainable.
A practice can also be unsustainable if it generates pollution or other problems that will eventually require it to be stopped. Sustainability is not just about environmental issues and supply and demand, but it also encompasses social issues--something can be unsustainable if it causes human suffering or problems for society.
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Cells need energy to sustain what?
Life
What three things are needed to initiate and sustain combustion?
A source of Fuel Compression and an Ignition source
What factors sustain life on earth?
As biological processes are not thermodynamically reversible, life on Earth is not actually sustainable. Eventually entropy will get the better of us and life as we know it will not be able to exist. For example, the Earth is due to "run out" of Carbon dioxide in about 500 million years (meaning that there won't be enough carbon dioxide for photosynthesis to take place).
The heat death of the universe is a theoretical time in the future when the universe is supposed to?
The heat death of the universe is a suggested fate of the universe, its final thermodynamic state in which it has diminished to a state of no thermodynamic free energy to sustain motion or life.
What problems might water scarcity cause?
Lack of water means you can't grow crops, you would be able to sustain very little industry, disease would be a constant problem due to lack of hygene, and you would be in peril of dying of thirst.
