<span>The correct option is A. Dark age are so called because compare to other eras, historian don't know much about this era. This period of time is considered lost to history, no important record about the era has survived, The cause of the dark ages was the collapse of the Roman Empire and the invasions and raiding that characterized it.</span><span />
Na meteorologia, uma inversão, também conhecida como inversão de temperatura, é um desvio da mudança normal de uma propriedade atmosférica com a altitude. Quase sempre se refere a uma inversão da taxa de lapso térmico. Normalmente, a temperatura do ar diminui com o aumento da altitude.
This is the anaphase of mitosis. Anaphase is characterized by the separation of sister chromatids or "pulling away" of the sister chromatids from the metaphase plate to the opposite spindle poles. This is also the phase where chromosomes reach its maximum condensation meaning that the process of the reformation of the nucleus will be shorter and easier.
