The bottom of geothermal sources is abundant in black-colored ores (sulfites) of iron, copper, zinc, nickel and other metals called "black smokers". Iron ores are rocks from which metallic iron can be obtained. Metals, originally disseminated on magma-laden or rocky paths, are concentrated in fluids and can be redeposited if they encounter favorable temperatures and pressure conditions, forming mineral veins.
C. Inspire enslaved black people to rise up against brutality
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Answer:
1867: Alaska territory purchased from Russia for $7 million. 1898: Hawaii annexed as a United States territory. 1959: Alaska and Hawaii admitted, respectively, as the 49th and 50th states of the Union.
Explanation:
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