Create at least THREE (3) RESPONSIBILITIES citizens of USA would have. Remember these are things they SHOULD DO to help the common good. Also include WHY you chose these! please help me​

salt is a type of solid, which means that it will when placed in water.

  a.  

soluble, float

  b.  

soluble, dissolve

  c.  

insoluble, settle

  d.  

insoluble, dissolve

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.