A. Earths atmosphere contains 78 percent oxygen, which is essential for life.
Explanation:
In the nineteenth century, males and females were not treated equally. Women were thought to be the 'weaker sex.' Middle-class women were severely affected even though they had no need to leave the house or go to work. Because women did not want to concern about problems like poverty, the middle and lower classes took women's roles very seriously.
Answer:
copper
Explanation:
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<span>Its an increase in agriculture production in the South.</span>
