The primary sector encompasses agriculture, farming, forestry, grazing, hunting, mining, quarrying, fishing, hunting and gathering.
Hope that helps!
<span>In terms of culture,
Africans have certainly left a mark in Brazil. 3.5 million African
slaves arrived in Brazil, following the arrival of a greater number
in the Carribean. With the situation of the Brazilian economy and the
Portugese slave trade, then, the Africans were not entirely
deculturalized. As a matter of fact, the Africans were able to
contribute a lot in Brazilian culture, clothing and cuisine. The
Feijada, for example, is an African dish consisting of black beans,
meat, rice and greens, among many other ingredients. The dish is now
considered a traditional dish in Brazil. Meanwhile, Samba, often
referred to as the Brazilian dance owes its movements and rhythmic
patterns from traditional African dances.</span>
Hey there!
The changes that were (necessary) in the Earth's atmosphere to allow complex organisms to evolve was a
collision from above such as a meteor and an increase in volcanic activity.
Your correct answer
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Hope this helps.
~Jurgen