I think it is c because its the inly one that is remotlet close to nature and environment
It is the "National Labor Relations Board" that acts as a mediator in disputes between unions and employers, since many people on both sides of the dispute often claim that the other side is acting unjustly, especially when it comes to negotiations.
Inter cellular communication involves transmission of information among cells of the body which are located far apart while intra cellular communication involve transmission of information within a cell. the correct answer to this question is 'a message is distributed across plasma membrane', this is because that is an example of intra cellular communication.
