Does anyone know this answer??

my answer would be unbalanced sources

Explanation:

because it shows unbalanced

through negative experiences we learn many things its sort of like karma if u do something bad to someone and u get a consequence u dont like the next time u wont do it again and as for positive ur not really learning anything and another example for negativity people didnt want barrack obama as president because they thought he was the worst and he was taking but now we have donald trump   and hes   is not anyone and shut down the government over sum petty stuff unlike barrack obama who shut down the government because they did not want to give health care to the community and now these people who want him out want him in now

he chooses to climb mount everest and decided not to any more due to the 1,000s of people making a line on the mountion

explanation: