Thunderstorms usually occur at cold fronts.
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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The correct answer is - lumber.
The lumber is both renewable and inexpensive resource, and it also can be found in every continent, apart from Antarctica. Still, the usage of lumber has to be managed carefully and with nice planning, because so far, the usage of lumber is surpassing the trees being planted to replace them, and that led to the total destruction of lots of forests throughout the world. This is a very easy thing to do, so the authorities have to force the companies in this industry to replant the areas from where the trees are cut, thus to have a proper usage of it, stable reserves, and protect the environment.
The affect of deforestation in south Africa would make us have less oxygen in the air and many plants will die due to deforestation and less oxygen and carbon dioxide for energy.
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