The best answer is B.
Infectious diseases whose incidence has increased in the past two decades or threatens to increase in the near future have been said to be "emerging''. Such diseases include the following:
1. Old infections emerging as a result of antimicrobial resistance in known agents or break down in public health measures.
2. New infections resulting from change or evolution of existing organisms.
3. Known infections spreading to new geographical areas or population.
4. Previously unrecognized infections in areas undergoing ecologic transformation.
In my honest opinion, i would think it would be the C the burning of plastic in open burn barrels I am only saying that because my asthma acts up when there is fire or smoke and I think that's the best option.
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While states have been relatively effective in stopping <u>The depletion of the ozone layer </u> they have been less successful at stopping <u>Global climate change.</u>
Countries all across the globe decided to stop using ozone-diminishing compounds in order to protect the ozone layer from depleting.
The Vienna Convention for the Protection of the Ozone Layer in 1985 and the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987 formalized this accord.
Ozone shields the Earth from the Sun's damaging ultraviolet (UV) radiation. Life on Earth would be extremely difficult without the Ozone layer in the atmosphere.
Plants and planktons, which provide sustenance for the majority of ocean life, cannot survive and thrive in high UV exposure.
Learn more about to<u> </u>Global climate change.<u> </u>visit here;
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