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.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
An experimentally made Oldowan type core.
The more air and fuel that can be packed in a cylinder, the greater the density of the air–fuel ...
Proposed structure for keratin-type intermediate filaments
Sheep Fiber Length (cm) vs Fleece Weight (kg)
For each chromosome type in the body, there are two copies. One is from the mother, and one is from