What is an endangered language? The world faces enormous challenges in maintaining language diversity. Of the more than 6,912 languages, half may be in danger of disappearing in the next several decades, although this figure cannot be verified. Endangered languages are languages that are on the brink of extinction, much like endangered species of plants or animals. A language is considered to be endangered when parents are no longer teaching it to their children, and it is no longer being actively used in everyday life. A language is considered to be nearly extinct when it is spoken by only a few elderly native speakers.
Energy exists freely in nature. Some of them exist infinitely (never run out, called RENEWABLE), the rest have finite amounts (they took millions of years to form, and will run out one day, called NON-RENEWABLE). Non-renewable energy is energy from fossil fuels (coal, crude oil, natural gas) and uranium. Fossil fuels are mainly made up of Carbon. It is believed that fossil fuels were formed over 300 million years ago, when the earth was a lot different in its landscape. It had swampy forests and very shallow seas.
Non-Renewable Energy. Non-renewable fossil fuels (crude oil, natural gas, coal, oil shales and tar sands) currently supply Australia with more than 95 percent of our electrical energy needs. Non-renewable energy is energy produced by burning fossil fuels such as coal.They are non-renewable because there are finite resources of fossil fuels on the planet. If they are continually used, one day they will run out.here are a few major advantages with non-renewable energy. Fossil fuels, such as coal, oil and gas are abundant in Australia so this means they are a relatively cheap fuel and readily available. Australia has enough fossil fuel resources to last for hundreds of years.