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
. . .
. . .

Hope this helps.
~Jurgen
The answer is: [A]: "antisocial behavioral patterns may be learned" .
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Chile experienced its first modern economic crisis with the Long depression in the 1870s. Chilean exports and GDP per capita rose steadily through the 1980s and 1990s until the Asian crisis of 1997 after which economic growth slowed somewhat. Chile has a mixed economy, which means that it is made up of both private and state-owned corporations. The privately-owned businesses are regulated by limited government policies. The economy of Chile is one of the most secure and productive in South America. It is ranked by the World Bank as a high-income economy.
<span>Harriet Martineau most import contribution to the field of sociology was that someone studying a society had to take in account every aspect of that society. The person had to know the religious, political and social profile of the group that they are studying. She argued that the knowledge of these correlations could determine wether inequality in a group existed. As a feminist, she also focused on the inequality faced by girls and women in a society.</span>
26: Spartans
27 Athens
28.Athens
29:Spartans
30:Athens