Choose the answers.
which statements describe galileo's accomplishments or the obstacles he faced?
choose all answers that are correct.
a. he faced criticism and disrespect from other scientists in england.
b. he said that the cartesian coordinate system could be used to explain everything in nature.
c. he designed a telescope 10 times more powerful than earlier models.
d. he disproved the theory that the moon was smooth and had a polished surface.