Alfred Wegener hypothesis of continental drift was replaced in 1967 by plate tectonics. Today, the theory of plate tectonics is widely, this theory explains the structure of the earth's crust and many associated phenomena as resulting from interaction of rigid lithospheric plates that move slowly over the underlying mantle.
Answer:
D
Explanation: it is in the blue with advanced countries.
Answer A its true of the economy of the east
Immigration to the north provided workers for production and replacements for soldiers killed or wounded.
