The definition of down to earth is someone or something that is free of pretension and doesn't put on airs, but who is instead simple and straight-forward. An example of down to earth is a person who buys a nice cozy farmhouse instead of a giant mansion.
The answer may be A i think so?
Answer:
possibly b, it uses the term "Dissolve" which kinda throws me In that direction, but dont just use this to complete a test/homework