It is the carbon intensity. An emission intensity is the normal emanation rate of a given contamination from a given source with respect to the force of a particular action; for instance grams of carbon dioxide discharged per megajoule of vitality created, or the proportion of ozone depleting substance discharges delivered to GDP.
Organized labor, or trade union, is an organisation of workers which has as its aim to fight for and improve the workers' rights. <span>Out of the 4 options only D. National Education Association is an organisation of workers- this is the correct answer. </span>
The other organisations don't work for workers' rights, but instead for environment protection (C), the right to keep arms (A) and B is a media network.