Answer:
I've been warning people about this user as well, don't enter that link >:I
They think they are sneaky with there like 1000 profiles, what a fool they are, if you have the same pic people will instantly know!!
Various reasons why five trained individuals might come up with different readings are - while carrying out an experiment, the accuracy with which each individual perform an experiment varies. The readings in different instruments used while performing an experiment also differs.
There is certain percentage of error that occurs while carrying out an experiment by each of the individual. Physical conditions such as temperature, pressure changes from one place to another where the experiments are being carried out.
The answer would be "the boiling and freezing points of water."
Atoms do differ in their affinity for neutrons, a property called electronegativity. Therefore, true is the correct answer.