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Subject:
Earths Oceans
Category: Science > Biology Asked by: warraz1981-ga List Price: $5.00 |
Posted:
13 Jun 2006 14:02 PDT
Expires: 13 Jul 2006 14:02 PDT Question ID: 737891 |
Were the oceans always salty? and if not did they get salty before or after life evolved? |
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There is no answer at this time. |
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Subject:
Re: Earths Oceans
From: pugwashjw65-ga on 13 Jun 2006 20:17 PDT |
Evolution is STILL a theory. The Bibles account of creation in Genesis indicates that sea creatures were created 'according to their kinds', and we know that many kinds can only survive in salt water. So therefore, the salt sea was in existence, as part of the creation of heaven and earth, BEFORE salt water fish were created. Scientists claim the earth to be 4.5 billion years old. The Bible does not deny this. Animals could be equally as old. It is only man that has a more recent history of existence. About 8,000 years, as per Genesis chapter five [ the ages of the Patriarchs] and the geneology lists from Adam to Jesus in the books of Matthew and Luke. |
Subject:
Re: Earths Oceans
From: tr1234-ga on 14 Jun 2006 09:44 PDT |
Without getting into the intelligent design-esque issues that the previous commenter's observations may invoke, I believe that most geologists hold that the reason oceans are salty has to do with oceans being the ultimate repository of rivers' flow, and that as rivers flow, they dissolve mineral salts from the rocks along their path. Plus, evaporation is a much more influential phenomenon with oceans since being larger bodies of water than rivers. When water evaporates from oceans, salts remain behind. Anyway, if those are the phenomena making oceans salty, it seems that it's a process that could and would be underway regardless of the existence of life. But some scientist researcher should come in for an official answer... |
Subject:
Re: Earths Oceans
From: mikewa-ga on 14 Jun 2006 10:01 PDT |
Almost certainly the earliest bodies of water had some dissolved minerals, but not as much as today.http://www.palomar.edu/oceanography/salty_ocean.htm In addition, the relative proportions of the various solutes has probably also changed (see for example: http://www.whoi.edu/cms/files/msaito/2005/3/Saito_ICA_2003_1802.pdf) |
Subject:
Re: Earths Oceans
From: elids-ga on 14 Jun 2006 11:10 PDT |
Just a comment on a often stated misconception ?Evolution is STILL a theory? evolution is not a theory, evolution is a fact. When Darwin first proposed the Theory of Evolution he was very clear in explaining that there are two equally important aspects to the theory, first evolution itself which is plain to see it is a fact we see it all around us from fossil remains to the DNA in living animals. We see it happening within a matter of years in areas like Hawaii where lava flows separate species and these animals go on to form new species, we see it on a daily basis at a microbial level. Evolution is a fact. The second part of the theory is the method by which evolution happens, Darwin proposed that this method could be Natural Selection that would end in survival of the fittest. It is this second part of the Theory of Evolution that is not proven, it is likely that it happens in this manner but it is not proven, because of that it is called the Theory of Evolution and not referred to it as a Law. Evolution is a fact, however, whether it happens by Natural Selection or some other as of yet unidentified method, we don?t know. |
Subject:
Re: Earths Oceans
From: warraz1981-ga on 17 Jun 2006 05:35 PDT |
pugwashjw65 what are you some sort of nutter? the bible is a bed time story for kids, because their mind are too simple to cope with the complexities of how the earth has been was actually created. and how dare you say evolution is still a theory! we've actually witnessed it happen! God is the biggest theory ever! there is not one bit of evidence that there is a god, a heaven, hell. And jesus only exsist in the new testiment which was written several hundred years after his death!? You shouldn't base you whole life around a book dick weed! Just take you moral code from it and get on with your life. anyway I'm thinking single celled life existed, and then the oceans slowly got saltier and they evolved to cope |
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