Which element(s) is/are not balanced in this equation?

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves