Answer to Question 1
The Gossypium barbadense variety of cotton was less successful because it could only be grown along the coastal areas of the South and the Caribbean. The Gossypium hirsutum variety of cotton was more successful because it could be grown in areas away from the southern seacoast, and because the invention of the cotton gin made it easier to separate the cotton seeds and fiber that previously made this variety difficult to work with.
Answer to Question 2
It is believed that humans have used cotton in North America for at least 7,000 years.
Coleman's parabiosis experiments revealed a satiety factor in wild-type mice that was absent or
Cross-sectional data showing that the amount of effort spent on personal health care increases with
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A hypothesis test is performed to test the claim that a population proportion is greater than ...
A GWAS study for Type 2 diabetes revealed 386,371 genetic markers, clustered here by chromosome numb