When exposed to smoke, hydrogen cyanide may play a role in rendering firemen and bystanders incapable of performing self-rescue.
HCN is a toxin that spreads throughout the body; it is hazardous because it inhibits cytochrome oxidase, which stops cells from using oxygen. Loss of awareness, respiratory arrest, and finally death arise from inhibition of the last stage of electron transport in brain cells.
Higher HCN exposures cause cardiovascular collapse, tremors, cardiac arrhythmia (which may not manifest for two to three weeks after the fire exposure), coma, respiratory depression, and respiratory arrest. Inhaling minute concentrations of hydrogen cyanide can result in headaches, weakness, nausea, and vomiting. Larger doses might result in fainting, convulsions, gasping, fast pulse, irregular heartbeat, and even death. In general, the severity of the symptoms increases with the seriousness of the exposure.
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<span>Democratic countries are sometimes perceived as weak, because the leader of the nation has limited powers.
</span>It was important for USA to show USSR that Kennedy has a full public support and can (and will) do whatever is necessary given the circumstances.<span>
In order to do this press was convincing people that Cuba is an immediate threat to United States, and that people should wholly support their leader. This way </span><span>Khrushchev knew that Kennedy wont back down due to public opinion.</span><span>
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Answer:
C. Political matters that were once discussed only in print media are
covered by several forms of media today.
Explanation:
Donald trump won the 2016 presidential election
