CONTEMPORARY CONSERVATION IN AUSTRALIA
1
Response to Question 1: NO2 and its source
One of the groups consisting of majorly reactive gases, which is oxides of nitrogen is
known by the term Nitrogen Dioxide. Raised levels of NO2 can elevate the potential of
respiratory concerns by inflaming lung's lining as well as reduces the immunity for fighting
lung infections. The problems arising from NO2 can be flu, colds, cough, bronchitis and
wheezing (Chen, Zhang & You, 2020). The main source for NO2 is the practice of burning
fuel, combustion of fossil fuel from coal, oil, and gas, specifically from vehicles. Other
sources of NO2 can be a food manufacturing process, welding, refining metals, and petrol.
Response to Question 2: Relationship between the decreased rate of air pollution and
COVID-19 pandemic
The occurrence of the pandemic disease has significantly decreased the level of air
pollution from the atmospheric level, marking an evident relationship between the two. With
the restrictions imposed due to the alarming situation of spreading the virus, transportation,
industrial activities, and daily practices are stopped. The period of 'staying at home' is
reducing the activities related to deriving NO2, methane and Carbon dioxide
(Fox5atlanta.com, 2020). The declaration of self-isolation and stay-at-home advice have
resulted in a decrease in air pollution.
Response to Question 3:
Highly polluted areas significantly affect the respiratory organs and decrease the
immunity of the lungs, which may not be evident or reflect greater symptoms but it does
affect the human lungs. COVID-19 symptoms are majorly concentrated with the deteriorating
condition of lungs and flu. The risk of complications because of the virus spread of COVID-
19 will potentially be higher in the areas with pollution as it will directly target the respiratory
system or lungs (Chen, Zhang & You, 2020). Thus, poor conditions of lungs will result in a

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