In 60 years, from 1801 to 1862, the amount of cotton picked daily by an enslaved person increased 400 percent. The profits from cotton propelled the US into a position as one of the leading economies in the world, and made the South its most prosperous region.
Answer:
1. It protects us from the sun.
2. It helps us live, or allows us to live.
3. It gives us protein and oxygen.
4. It contains water, so water for us.
Explanation:
<em>I hope this helped! Have a great day!</em>
<em>Skye~</em>
A net population decline resulting from an "excess of deaths over births".
Option: A
<u>Explanation</u>:
Demographic transition is a shift from higher to lower level of fertility and mortality.Rapid development in industrialization and urbanization in 
century resulted into enormous population growth. But decline in early 
century covered many reasons like consequences of two calamitous wars, where Europe suffered large population declination due to battle death and civilian causalities in World War I and II. Hence the acceleration of population growth in 19th century but downfall in 20th is also considered as balance.
Recent research now suggests, however, that most likely the Americas was settled by several colonists who came at different times, perhaps by different routes, and had different physiques and genetic markers, which continue to be discovered and debated.
Answer: Option E
<u>Explanation:</u>
Although the first settlers of the Americas were considered to be Clovis people recent researches direct that several colonists who arrived at different times probably via different roots with variations in their physical and genetic characteristics have initiated the settlement of Americas.
The 1950's hypothesis referred from the “Clovis first theory” which explains the earliest existence of humans in the Americas from Clovis culture. Paleolithic hunter-gatherers escaped from the North Asian region and entered North America; nearly 10,000 years ago the people of the Americas were named Paleo-Indians.
