In 1793, eli whitney invented the cotton gin, a machine to remove cotton from the seeds. This invention allowed one field hand to do the same amount of work as ten, which meant more cotton could be cleaned and prepared. Which statement below describes a negative outcome of this invention?.
Answers: 1
SAT, 23.06.2019 09:40
Alex determined that his average speed when he commuted to work is 35 miles per hour. what conversion factor can be used to convert this speed to feet per hour?
Answers: 2
SAT, 27.06.2019 11:00
Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.
Answers: 2
In 1793, eli whitney invented the cotton gin, a machine to remove cotton from the seeds. This invent...
Physics, 30.12.2020 22:40
Mathematics, 30.12.2020 22:50
Mathematics, 30.12.2020 22:50
History, 30.12.2020 22:50
Social Studies, 30.12.2020 22:50
Social Studies, 30.12.2020 22:50
Mathematics, 30.12.2020 22:50
Mathematics, 30.12.2020 22:50
Physics, 30.12.2020 22:50
English, 30.12.2020 22:50
English, 30.12.2020 22:50
Mathematics, 30.12.2020 22:50
Business, 30.12.2020 22:50
Mathematics, 30.12.2020 22:50
Mathematics, 30.12.2020 22:50