Les pluies contiennent des acides, mais pas seulement. La situation pourrait être bien pire que ne le laisse entendre le terme « pluies acides ».
- Associate Professor of Chemical Engineering, The University of Melbourne
This rain would include acids but also likely many other pollutants harmful to humans and the environment. It may be worse than the term ‘acid rain’ conveys.
The first thing to remember is that all smoke is harmful. Typically, if you can smell smoke, it’s at a level where it’s impacting your health.
Claims Russia has used chemical weapons in Ukraine will be difficult if not impossible to verify.
Smoke from the Black Summer fires likely caused more than 400 deaths. A national set of air quality categories is long overdue.
Para que se produzca la combustión, el oxígeno debe estar presente. Los grumos de nitrato de amonio proporcionan un suministro de oxígeno mucho más concentrado que el aire que nos rodea.
Pour qu’il y ait combustion, il faut de l’oxygène. Les granulés de nitrate d’ammonium fournissent un apport d’oxygène beaucoup plus concentré que l’air qui nous entoure.
For combustion to occur, oxygen must be present. Ammonium nitrate prills provide a much more concentrated supply of oxygen than the air around us.
Pepper spray uses a chemical called capsaicin. It’s the same compound that makes chillies hot, but in a more intense, weaponised form.
Bushfire smoke accumulating over Australian cities contains a complex chemical mix which does all sorts of things to the human body.
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