Seasons in the southern and northern hemisphere is occurred during the same times of the year

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

answer; /// i believe that the correct answer is (d)the huang he river valley;