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:
The germinated seed incorporated a small amount of modern carbon. Correct: Incorporation of a small amount of modern carbon would increase the relative amount of carbon-14 and reduce the estimated age of the seed by 250-300 years.
The Americans were huge areas of fertile land, and the European powers needed people to work on its fields. African slaves were a cheap and abundant solution.
B. strengthen the ability of native populations to secure independence
