. Dwellers of the sea and shore . littorina; a periwinkles shell. types which undoubtedly had their origin in fresh water. And those types, by the way, have so far pro- gressed that they must have been a long time on the road; in fact, the first to start in the evolutionary pro- cession. But the answer to this is forthcoming. It is pre- sumed that the age of the ocean since the earth assumed its present form is somewhat less than 100,- 000,000 years. Now, as is well known, the sea re- ceives from the land in addition to other elements more than 60,000,000 tons of sodium every year. This sub- s
. Dwellers of the sea and shore . littorina; a periwinkles shell. types which undoubtedly had their origin in fresh water. And those types, by the way, have so far pro- gressed that they must have been a long time on the road; in fact, the first to start in the evolutionary pro- cession. But the answer to this is forthcoming. It is pre- sumed that the age of the ocean since the earth assumed its present form is somewhat less than 100,- 000,000 years. Now, as is well known, the sea re- ceives from the land in addition to other elements more than 60,000,000 tons of sodium every year. This sub- stance, dissolved out of the rocks by rains and carried
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Keywords: ., bookcentury1900, bookpublishernewyorkt, booksubjectmarineanimals
