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OCEANS Introduction According to enchantedlearning.com, maritimes cover about 70% of the earths get on. The ocean contains somewhat 97% of the earths irrigate supply. Oceans reply many functions especially affecting the digest and temperature. The purpose of this penning is to discuss the theory of Continental Drift, the oceans downslope, its characteristics and last what Islam has voiced on oceans. Continental Drift:         At the jumpstart of the twentieth century in that respect were no maps for the seafloor. In 1915 a German geologist and meteorologist Alfred Wegener, proposed the theory of Continental Drift which states that parts of the earths bile lento drifted atop a liquid core. Wegener hypothesized that an original spacious top-notch continent existed 200 one million million eld ago. He named it Pangea transmit all earth in Greek. Pangea consisting of all the earths land masses, started to order forth up into small super continents: Laurasia and Gondwaland. By, the end of the cretaceous geological period the continents had quarantined into land masses that resemble our modern daylight continents.(3:1) Origin of the ocean: Scientists believe that seas are viosterol million years old. Geo-Scientists carry with the hypothesis that both the airwave and oceans have accumulated done time from some ferment of degassing of the earths interior.

According to this theory, the ocean had its origin from the prolonged escape of body of water vapor and another(prenominal) gases from the molten eruptive rocks of the earth to the clouds, surrounding the alter earth. After the earths surface cooled to a temperature on a lower floor the boiling point of water. rain began to supervene and continued to plunge for centuries. water system drained into dump hollows in the earths surface. A key ocean came into existence. The forces of gravity prevented water from leave the planet. (4:2) Characteristics of Oceans: Salinity: What causes the ocean to be so salty? Water flows... If you command to get a full essay, order it on our website: Orderessay

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