(of a rock or other material) having minute spaces or holes through which liquid or air may pass.synonyms: permeable · penetrable · pervious · cellular · holey · [more]
A. The sentence works fine. one could argue B, but a colon is used to separate a run-on or show two complete thoughts in the same sentence, so arguably B would not work either.
B.) All americans must be prepared to fight for the safety and freedom of the united states.
