Can somebody explain to me how historical events can relate to current events. Thanks

Certain events can cause life to change. For example, if all the women's rights protests never happened, we would live in a very traditional world, rather than our current progressive one.

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

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering