15,000 + 400 + 9
Or
(1x10,000)+(5x1,000)+(4x100)+(0x10)+(9x1)
The future of the Universe will be determined by the struggle between the momentum of its expansion and the pull of gravity. ... The vertical scale indicates the size of the Universe. For the next several billion years, the expansion of the Universe gradually slowed down due to the effects of gravity on matter.
Answer:
A.
4Fe + 3O2 2Fe2O3 .........................
The statements describing the southern economy in the antebellum era include 'it was primarily agricultural', 'it relied heavily on slave labor' and 'it produced mostly cotton and tobacco', It was a primary economy.
<h3>The southern economy in the antebellum era</h3>
In the USA, the economy of the antebellum era underwent an acceleration of economic growth.
This economy was characterized by the presence of slaves in the southern states and the family-farm of the free states.
In these southern states, the economy was directly tied to cotton and tobacco production.
Learn more about the antebellum era here:
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