"<span>Rust Belt" is a term for upper Northeastern United States region and other like the Great Lakes, and the Midwest States, referring to economic
decline, population loss, and urban decay due to the shrinking
of its once powerful industrial sector.</span>
1. <span>the process started with the collapse of a nebula
The universe almost certainly didn't start from the collapse of a nebula.
2. The mantle is the middle layer.</span>
Answer:
Latin America's civil wars and revolutions did not begin with independence from Spain or even with the Spanish conquest. ... The mighty Inca Empire fought a disastrous civil war from 1527 to 1532 as brothers Huascar and Atahualpa fought for the throne vacated by the death of their father.
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<em><u>Hope this helps.. </u></em></h2>
The Mayan and other Mesoamerican cultures used a vigesimal number system based on base 20 (and, to some extent, base 5), probably originally developed from counting on fingers and toes. The numerals consisted of only three symbols: zero, represented as a shell shape; one, a dot; and five, a bar.
