Which of the following could be considered a scientific statement?

a. pizza is the best food on earth.
b. i believe in life on other planets.
c. it appears that ants live in colonies.
d. i think nuclear energy is bad.

Which of the following represents the balanced reduction half-reaction from the redox reaction? (2 points) pb + pd(no3)2 yields pb(no3)2 + pd pb yields pd2+ + e- pd2+ + 2e- yields pd pb + e- yields pb 2 pd2+ + 4 e- yields 2 pd