Apple slices can be kept from browning by brushing them with lemon juice. infer what role lemon juice plays in this case

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Ineed ! i have no clue how to do this problem.

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