The relative importance of passes, seas and oceans
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Answer:
Oceans and seas are the main components of the Earth’s hydrosphere. They cover about 70.9 per cent of the earth's surface and represent the greater natural reserves among ecosystems.[1]
The importance of oceans and seas is related to fisheries and shipping routes, but also to the creation of oxygen and several chemical equilibrium conditions.
Oceans and seas represent a public good for society and also, a specific ecosystem - the marine ecosystem. Human activities, such as pollutant discharges and fishing, influence its health and marine ecosystems, such as coral reefs.[2] Conversely, human health depends on the functions, products and services of the marine ecosystem.
The study of oceans, seas and human health is in part a social and economic problem because it commits scarce resources to improve societal well-being.
The most important problem related to oceans and coastal seas is pollution, which is generated by human activities run in our continents. Human actions and activities continually disturb the marine environment. The pollution generated causes massive impacts on the flora and fauna of oceans and it could represent a negative externality for the present well-being of societies and for future generations.
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