What was Holmes theory?

What was Holmes theory?

Holmes’ primary contribution was his theory of convection within the Earth’s core, which explained the pull and push of continent plates apart and together. He also assisted scientists in oceanographic research in the 1950s, which publicized the phenomenon known as sea floor spreading.

What did Arthur Holmes show in 1929?

continental drift theory In 1929 Holmes proposed an alternative mechanism–convection of the mantle–which remains today a serious candidate for the force driving the plates. Wegener’s ideas were also well …

What is law according to Holmes?

Holmes used to define law as “a statement about the circumstances in which the public power will be brought into play upon men through the courts. . . . The word is often used to refer to prophecies and threats. . . addressed to persons living within the power of the courts.” Am.Aban 18, 1390 AP

What was the main aim of Wegener behind the postulation of the continental drift theory?

As stated previously, Wegener’s main goal in proposing his ‘drift theory was to explain major climate changes that are reported to have occurred in the past geological time of the earth. This includes the carboniferous glaciation which took place in major parts of Gondwanaland.

What are the 4 pieces of evidence for continental drift?

They based their theory of continental drift on a variety of evidence, including fit of the continents and paleoclimate indicators.

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Why is the continental drift theory not accepted?

Wegener’s hypothesis was rejected because it suggested no mechanism to move the continents. Wegener believed that the Earth’s spin would cause continents to move. But geologists know that rocks are too strong to support this claim.

What are the 5 evidence of continental drift?

The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones.Mordad 21, 1399 AP