Just Another Day on Aerosol Earth : Even if the air looks clear, it is nearly certain that you will
Just Another Day on Aerosol Earth : Even if the air looks clear, it is nearly certain that you will inhale millions of solid particles and liquid droplets. These ubiquitous specks of matter are known as aerosols, and they can be found in the air over oceans, deserts, mountains, forests, ice and every ecosystem in between. (via NASA) -- source link
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