Let's think of an example for such an organization: United Nations, The European Union, NATO. How would you expect them to communicate with the masses?
The most likely options are either through posters, TV advertisements or press conferences seen in the TV. This means that they communicate through the media - answer b.
The answer you seek is biotic
It is True, oxidation is associated with an increase in oxidation number.
An oxidation; reduction or redox reaction is a reaction that involves the transfer of electrons between chemical species (the atoms, ions, or molecules involved in the reaction). Redox reactions are all around us: the burning of fuels, the corrosion of metals, and even the processes of photosynthesis and cellular respiration involve oxidation and reduction. Oxidation states are typically represented by integers which may be positive, zero, or negative.
The term oxidation was first used by Antoine Lavoisier to signify the reaction of a substance with oxygen. Much later, it was realized that the substance, upon being oxidized, loses electrons, and the meaning was extended to include other reactions in which electrons are lost, regardless of whether oxygen was involved.
To learn more about Oxidation here
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True because JFK died November 22, 1963
Martin luther king died April4, 1968