A Summer in Greenland
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In our eReader you can find the full English version of the book. Read A Summer in Greenland Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Summer in Greenland
What reading level is A Summer in Greenland book?
To quickly assess the difficulty of the text, read a short excerpt:
Many records of ancient floras are readily de- cipherable, foliage shoots and clearly outlined leaves showing the finest veins, the plant substance changed into a thin film of coaly substance which on treatment with certain chemicals reveals under the microscope details of the surface cells and throws light both on the affinities of the plants and on their relation to the world in which they lived. The minute structural details of petrified wood after it has been cut into transparent sections c...an be examined with as much thoroughness as those of a living stem; the living substance has gone, but the framework remains and through it we obtain an insight into the mechanism of the plant which was alive some millions of years ago.
Other fossils are but 'age-dimmed tablets traced in doubtful writ,' and these add zest to the task of interpretation.
Two among the many problems which exercise the ingenuity of geologists and botanists may be mentioned: if, as seems certain, the climate of Greenland was warm enough to support a vegeta- tion including forest trees and other plants closely related to species now growing in warm temperate and sub-tropical districts in North America, south- ern Europe, China and elsewhere, what causes can be invoked to produce the necessary change?
What to read after A Summer in Greenland?
You can find similar books in the "Read Also" column, or choose other free books by A C Albert Charles Seward to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Many records of ancient floras are readily de- cipherable, foliage shoots and clearly outlined leaves showing the finest veins, the plant substance changed into a thin film of coaly substance which on treatment with certain chemicals reveals under the microscope details of the surface cells and throws light both on the affinities of the plants and on their relation to the world in which they lived. The minute structural details of petrified wood after it has been cut into transparent sections c...an be examined with as much thoroughness as those of a living stem; the living substance has gone, but the framework remains and through it we obtain an insight into the mechanism of the plant which was alive some millions of years ago.
Other fossils are but 'age-dimmed tablets traced in doubtful writ,' and these add zest to the task of interpretation.
Two among the many problems which exercise the ingenuity of geologists and botanists may be mentioned: if, as seems certain, the climate of Greenland was warm enough to support a vegeta- tion including forest trees and other plants closely related to species now growing in warm temperate and sub-tropical districts in North America, south- ern Europe, China and elsewhere, what causes can be invoked to produce the necessary change?
What to read after A Summer in Greenland?
You can find similar books in the "Read Also" column, or choose other free books by A C Albert Charles Seward to read onlineMoreLess
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