Which of the following people used the orbit of the moon to develop a law of Universal gravitation? A. Aristarchus

B. Aristotle

C. Copernicus

D. Eratosthenes

E. Galileo

F. Kepler

G. Newton

H. Ptolemy

I. Tycho

Pl i beg u so much now propane burns in oxygen to produce carbon dioxide and steam. the unbalanced equation for this reaction is: c3h8 + o2 → co2 + h2o use coefficients to balance this equation. a) c3h8 + 3 o2 → 3 co2 + 4 h2o b) c3h8 + o2 → 3 co2 + 4 h2o c) c3h8 + 5 o2 → 3 co2 + 4 h2o d) 2 c3h8 + 5 o2 → 3 co2 + 4 h2o