What is francis bacon known for?
a. improving the telescope, thermometer, and compass
b. developing a mathematical coordinate system
c. stressing the importance of repeated observations and experiments
d. introducing the theory of universal gravitation

Match each person with his contribution. aristotle socrates eratosthenes hippocrates he studied the causes of illnesses in search of cures. he created a teaching method that involved asking questions. he determined that earth was round. he educated alexander the great.