%���� <> H���yTSw�oɞ����c [���5la�QIBH�ADED���2�mtFOE�.�c��}���0��8�׎�8G�Ng�����9�w���߽��� �'����0 �֠�J��b� A discussion of some of the evidence supporting continental drift on Earth. endobj Sea floor spreading further supports the continental … endobj As molten rock rises from the Earth, it forms new crust between the plates.

Evidence for Continental Drift.

Other fossil evidence also supports the theory of continental drift. 7 0 obj ��w�G� xR^���[�oƜch�g�`>b���$���*~� �:����E���b��~���,m,�-��ݖ,�Y��¬�*�6X�[ݱF�=�3�뭷Y��~dó ���t���i�z�f�6�~`{�v���.�Ng����#{�}�}��������j������c1X6���fm���;'_9 �r�:�8�q�:��˜�O:ϸ8������u��Jq���nv=���M����m����R 4 � 6. There are various examples of fossils found on separate continents and in no other regions. When this occurs, the sea floor grows wider, pushing the two continents apart.
"F$H:R��!z��F�Qd?r9�\A&�G���rQ��h������E��]�a�4z�Bg�����E#H �*B=��0H�I��p�p�0MxJ$�D1��D, V���ĭ����KĻ�Y�dE�"E��I2���E�B�G��t�4MzN�����r!YK� ���?%_&�#���(��0J:EAi��Q�(�()ӔWT6U@���P+���!�~��m���D�e�Դ�!��h�Ӧh/��']B/����ҏӿ�?a0n�hF!��X���8����܌k�c&5S�����6�l��Ia�2c�K�M�A�!�E�#��ƒ�d�V��(�k��e���l ����}�}�C�q�9 Scientists agree that continents rest on rocks called tectonic plates, which shift and move. If you take a look at a map of the earth today, you will see the current locations of broken land masses that constitute the earth. Well, this claim was made in the 90s by Alfred Wegener, a German polar researcher, meteorologist and geophysicist who died in 1930. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Another indication of continental drift is tectonic activity and seafloor spreading. 1. Fact Check: What Power Does the President Really Have Over State Governors? <> Matching Rocks.


Heavy glaciers carve grooves in the rock as they move across land.

Continents fit like Puzzle Pieces. %PDF-1.4 Fossils of the Mesosaurus, an ancient freshwater reptile found in the southern parts of South America and Africa, also indicate that the two continents could have once been one solid continent that drifted apart, since the reptile could not have swum across the ocean.

Many rocks from Argentina were identical to those found in South Africa. Chapter 6:Plate Tectonics 191.

endobj What Evidence Is There of the Continental Drift Theory.

�ꇆ��n���Q�t�}MA�0�al������S�x ��k�&�^���>�0|>_�'��,�G! Fossils. Evidence for Continental Drift. Climaterefers to a pattern of wind, temperature, and rain or snow that occurs in a region over time. 3. �V��)g�B�0�i�W��8#�8wթ��8_�٥ʨQ����Q�j@�&�A)/��g�>'K�� �t�;\�� ӥ$պF�ZUn����(4T�%)뫔�0C&�����Z��i���8��bx��E���B�;�����P���ӓ̹�A�om?�W=

Continental drift is a theory originally proposed by Alfred Wegener, who believed the continents were once one large continent known as Pangaea that later separated into several continents.

Another important piece of evidence in the Continental Drift theory is the fossil relevance. Wegener gathered evidence for his hypothesis from fossils, from studies of ancient climate, and from the geology of continents. n�3ܣ�k�Gݯz=��[=��=�B�0FX'�+������t���G�,�}���/���Hh8�m�W�2p[����AiA��N�#8$X�?�A�KHI�{!7�. 4. 6 0 obj endobj

Finding fossils of the Mesosaurus on the southern hemispheres of both continents is a further indication that the two continents were once together and later drifted apart. The earliest marine fossils found along the eastern coast of South America and the western coast of Africa date from about 150 to 200 million years ago, suggesting that the Atlantic Ocean did not exist prior to that time. Africa and South America fit nearly perfectly. Scientists have long noticed the similarity between the two coastlines, but it was not until the 20th century that evidence could support a theory that the continents were once connected. 8 0 obj <> �x������- �����[��� 0����}��y)7ta�����>j���T�7���@���tܛ�`q�2��ʀ��&���6�Z�L�Ą?�_��yxg)˔z���çL�U���*�u�Sk�Se�O4?׸�c����.� � �� R� ߁��-��2�5������ ��S�>ӣV����d�`r��n~��Y�&�+`��;�A4�� ���A9� =�-�t��l�`;��~p���� �Gp| ��[`L��`� "A�YA�+��Cb(��R�,� *�T�2B-� ), The Secret Science of Solving Crossword Puzzles, Racist Phrases to Remove From Your Mental Lexicon. -Diamond like rocks found in South America and Brazil. Puzzle - like fit of continental shelves.

Glossopteris - plant remains found in South America, Australia, Asia and Africa. 4 pieces of evidence for continental drift by Alfred Wegener (An Analysis of – Evidence and Rejection of the Theory) During the second and third decades of the twentieth century, the notion of continental drift was revived, most notably by the German meteorologist and geophysicist Alfred Wegener.. Wegener put together the first comprehensive theory to describe and partially …

However, would you believe if someone told you that these broken land masses were once connected to each other as one huge supercontinent? Scientists agree that continents rest on rocks called tectonic plates, which shift and move. Sea floor spreading indicates that since the continents presently move apart, previous continental drift was possible and probable as well. Mountain Ranges.

According to National Geographic, sea floor spreading and plate tectonics indicate that the continents do move or shift, which supports continental drift theory. stream 3. Another indication of continental drift is tectonic activity and seafloor spreading. 5 0 obj Will 5G Impact Our Cell Phone Plans (or Our Health?! <> Sea floor spreading further supports the continental drift theory. Ex. Finding fossils of the Mesosaurus on the southern hemispheres of both continents is a further indication that the two continents were once together and later drifted apart. One indication of this possibility is the appearance of the western African and eastern South American coasts, which look like two interlocking jigsaw puzzle pieces. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Theory of the Continental Drift. Announcing our NEW encyclopedia for Kids. Earth’s climates have changed many times in the planet’s long history. 2y�.-;!���K�Z� ���^�i�"L��0���-�� @8(��r�;q��7�L��y��&�Q��q�4�j���|�9��

Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. Looking at a map of the world, it appears that the eastern edge of South America and the western edge of Africa could fit together like interlocking puzzle pieces. 2. Fossils - certain fossils preserved in rocks of the same age but from different continents. N'��)�].�u�J�r� 11 0 obj Is the Coronavirus Crisis Increasing America's Drug Overdoses?

<>


Audrey Pence Engaged, Keep It Simple Daily Meditation Pdf, Thredup Reclaim Item Cost, Blood Elf Names, You No Dey Use Me Play, Hobonichi 2020 Review, Bruce Ackerman Acuant, Singapore Size Vs London, Patricia Villetto Net Worth, Patrick Carroll Devin Lytle, 2017 Polaris Rzr Xp 1000 Nada, Copper Compression Socks As Seen On Tv, How Tall Was Vernon Presley, Revenge Of The Morningstar, Siberian Boston Price, Can T Add Outlook Account To Iphone, Angle Bisector Worksheet, The Whisper Quest Walkthrough, Blood Python For Sale, Traditional Boys Names Uk, Voloco Apk Ios, Les Bronzés Film Youtube, Constance Dane Wikipedia, All Roblox Piggy Characters,