In 1930, they invaded America.
D. It was a period of intellectual and artistic creativity.
The correct answer is: Mendel developed his laws of heredity.
The publication in 1866 of the laws formulated by Mendel on<em> the heredity of characters in sexual reproduction </em>was contemporaneous with the evolutionary hypothesis developed by Darwin in his book <em>On the origin of species by means of natural selection </em>in 1859.
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The black land was the fertile land on the banks of the Nile. The red land was the barren desert that protected Egypt on both sides. </span>
During the period of the crusades warfare between Muslims and Christians lasted nearly 200 years.
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