What do you mean by peace?​

a state or period in which there is no war or a war has ended.

hii there

Peace is a stress-free state of security and calmness that comes when there's no fighting or war, everything coexisting in perfect harmony and freedom. When you feel at peace with yourself, you are content to be the person you are, flaws and everything.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

c

explanation: because you need to reduce the pollution on land,the exhaust fumes will stop,and stop it in water,the oil that is in the oceanharms the fish   sorry if you   have been waiting long