What are the antonyms for Wrinklednesses?

• n.

  • roughness
  • courtesy
  ,
  • evenness
  ,
  • gentility
  ,
  • kindness
  ,
  • politeness
  ,
  • regularity
  ,
  • smoothness
  .

Organomercury compounds are a type of chemical that can be harmful to humans and the environment. However, their antonyms, such as organic compounds or non-toxic compounds, are les...