18. the image below depicts which famous math...
18. the image below depicts which famous mathematician who formulated a theory of gravity? a. isaac newton b. albert einstein c. archimedes d. rene descartes 19. who is the founder of modern chemistry? a. isaac newton b. albert einstein c. robert boyle d. galileo galilei 20. what is a czar? a. an english servant b. a greek teacher c. a russian ruler d. a roman priest
Answer
# Brief Explanations:
18. Isaac Newton is a well - known mathematician and formulated the theory of gravity.
19. Robert Boyle is considered the founder of modern chemistry.
20. A Czar is a Russian ruler.
# Answer:
18. A. Isaac Newton
19. C. Robert Boyle
20. C. A Russian ruler