Search results for “Fixació de nitrogen”

The Role of Microorganisms in the Marine Nitrogen Cycle

For more Science Videos: https://lt.org/ * What happens in the marine nitrogen cycle? In this video, KATHARINA KITZINGER explains that nitrification as carried out by marine microorganisms involves two distinct processes, with ammonia oxidation resulting in nitrite which is then transformed to nitra

Do you want to save someone's life | DKMS Germany

Of course you would save someone's life! But why don't you do it? 🤔 It's mega easy! In our video, we'll tell you just three short steps. 💪 It's really easy: open your mouth. Chopsticks in. Be a donor. Order your registration set on dkms.de/yt-registrierung and become a stem cell donor. Maybe you

Ozone - protective layer and toxic gas

In the atmosphere, at an altitude of about 20 to 30 kilometers, the ozone layer protects us from carcinogenic UV rays. But on earth, on the ground, ozone is a problem. Here, the colorless and toxic gas harms people and the environment. More about ozone: http://www.umweltbundesamt.de/ozon Transla