The theory of continental drift was proposed by alfred wegner based on what observation?
Ahe noticed the continents were in motion.
Bhe observed volcanoes were creating new crust.
Che observed earth's average temperature increasing.
Dhe saw that continent edges fit together like pieces of a jigsaw puzzle.
Ahe noticed the continents were in motion.
Bhe observed volcanoes were creating new crust.
Che observed earth's average temperature increasing.
Dhe saw that continent edges fit together like pieces of a jigsaw puzzle.
