After reaching North America, humans migrated to South America.
In this circumstance one should revise the hypothesis and develop a new experiment to test it.An example could be the theory of Agraham Gottloeb Werner that all rocks were precipitated from water including not just sedimentary rocks but also volcanic, plutonic and metamorphic rocks. The more the earth was studied, especially by James Hutton in Scotland, the more it became obvious that granites for example were deposited in a molten state, thus disproving that hypothesis or theory.
Answer:
Potter's wheel
Explanation:
A potter's wheel is a horizontal revolving wheel on which wet clay is shaped into pots or other round objects.
Answer: B
Explanation: Good luck! :D
