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Pangea

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Explain what the climate in ancient North America must have been like as a part of Pangaea?

The climate of North America must have been much warmer and more humid than it is in the present day. This is because when North America was a part of Pangaea, it was much closer to the equator (see figure 17.5 on page 471). Since the equator receives the highest concentration of the sun's energy and heat, the climate is warmer. So when the super-continent split apart, North America drifted towards the north end of the planet to reach the position it is at today, giving it the present cool climate. The climate of ancient North America must have been close to the current climate of South Asia (places such as India), and Central Africa.


How did scientist figure out that the continents were one giant continent and then separated?

Scientists discovered evidence of continental drift by observing the fit of the West African and South American coastlines, similarities in rock formations and fossils across continents, and the alignment of mountain ranges across continents. This led to the development of the theory of plate tectonics, which explains how the continents were once part of a single supercontinent called Pangaea that later separated due to the movement of tectonic plates.


How do transform move?

convection current from the magma in the centre of the earth pushes plates to move.


How did Wegener use four type of evidence to help support his hypothesis of continental drift?

Alfred Wegener used fossil evidence, geological evidence, paleoclimatic evidence, and the fit of continental coastlines to support his theory of continental drift. By comparing fossils, rock formations, climate patterns, and the alignment of continents like puzzle pieces, Wegener proposed that the continents were once connected in a single supercontinent called Pangaea that drifted apart over time.


What were Gaea's characteristics?

Gaea was an ancient Greek primordial goddess representing the Earth. She was considered the mother of all life, with attributes of fertility, abundance, and nurturing. Gaea was often depicted as a powerful and nurturing figure, embodying the interconnectedness of all living beings.