1.Which evidence did Wegener use to develop the theory of continental drift?
There is no evidence of glaciers anywhere in South America.
The climate of Siberia has always been the same.
Similar fossils were found on different continents.
The Rocky Mountains are taller than the Appalachian Mountains.
2.According to the theory of continental drift, which option indicates the order of how the continents changed positions?
B, C, A
C, B, A
A, B, C
C, A, B
3. The theory of continental drift proposes that the Earth's continents may have once been united as a supercontinent but have drifted apart over time.
What was the name of the supercontinent?
Americas
Gondwanaland
Laurasia
Pangaea
4.Part of Weneger's theory of continental drift was that the original supercontinent broke into two pieces.
What were these two land masses called?
Laurasia and Pangaea
Gondwanaland and Pangaea
Laurasia and Gondwanaland
Pangaea and Eurasia
5.
Over time Pangaea broke apart to form other continents.
Which group of modern-day continents composed Gondwanaland?
North America and South America
North America, Europe, and most of Asia
Africa, South America, Antarctica, Australia, and the subcontinent of India
Antarctica, South America, and Europe
Answers: 3
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For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.
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An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
Answers: 3
Chemistry, 22.06.2019 12:30
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
1.Which evidence did Wegener use to develop the theory of continental drift?
There is no evidence...
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