13. galileo discovered what? a. the six moons...
13. galileo discovered what? a. the six moons around jupiter b. the four moons around jupiter c. the six moons around saturn d. the four moons around saturn 14. law 3 which was invented by newton was the notion that what? a. to an action there is always a reaction b. to an action there is never a reaction c. the planets moved in an elliptical direction d. the earth rotates around the sun 15. descartes invented the phrase “i think therefore i am” to explain what? a. to prove his existence b. to prove that the earth existed c. to prove nothing d. he did not say it
Answer
# Brief Explanations:
13. Galileo descubrió las cuatro lunas alrededor de Júpiter, conocidas como las lunas galileanas.
14. La tercera ley de Newton establece que a toda acción corresponde una reacción igual y opuesta.
15. Descartes utilizó la frase "Pienso, luego existo" para probar su propia existencia.
# Answer:
13. b. The four moons around Jupiter
14. a. To an action there is always a reaction
15. a. To prove his existence