GEOLOGY

EARTH SCIENCE

TECTONICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Alfred Wegener’s 1915 hypothesis of continental drift was backed by abundant evidence. For example, cartographers throughout history noticed the
A
ocean plates look like they fit together.
B
mountain chains between continents are similar.
C
continents look like they fit together.
D
sizes of South America and Africa are the same.
Explanation: 

Detailed explanation-1: -Wegener supported his theory by demonstrating the biological and geological similarities between continents. South America and Africa contain fossils of animals found only on those two continents, with corresponding geographic ranges.

Detailed explanation-2: -Fossil Evidence One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Scientists have found fossils of similar types of plants and animals in rocks of similar age. These rocks were on the shores of different continents. This suggests that the continents were once joined.

Detailed explanation-3: -The east coast of South America and the west coast of Africa seem to fit together like pieces of a jigsaw puzzle, and Wegener discovered their rock layers “fit” just as clearly. South America and Africa were not the only continents with similar geology.

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