Awave is produced from a vibrating string on a violin. two observers are standing 20 m and 40 m away from the musician. the observer who is farther away states that the violin sounds quiet, but the other observer disagrees. what best explains the different experiences of the two observers?

the energy of the sound wave increased as it moved away from the source.

the energy of the sound wave remained the same as it moved away from the source.

the energy of the sound wave decreased as it moved away from the source.

the energy of the sound wave increased then decreased as it moved away from the source.

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alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation: