Answer:
They are often given by athletes.
So the answer is C
UN-sponsored talks concerning the reduction of carbon dioxide emissions have resulted in only a little amount of progress has been made in the reduction of carbon emissions. This is further explained below.
<h3>What are carbon dioxide emissions?</h3>
Generally, The combustion of fossil fuels and the production of cement both produce carbon dioxide emissions. Carbon dioxide emissions from the combustion of solid, liquid, and gaseous fuels, as well as gas flaring, are among them. Climate Watch. 2020. This is the source.
In conclusion, Talks on cutting down on emissions of carbon dioxide that were sponsored by the United Nations have resulted in just a little amount of headway being made toward that goal.
Read more about carbon dioxide emissions
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<span>volcanic activity results from a unique dynamic process of earth called!
Source - jjackibishh22 on </span>brainly!
Lower pitch and longer wave
