Goods and services are exchanged without the use of money in a .

answer; ///south carolina is the correct answer;

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

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation:

all of the