Of the more that 7.4 billion people living in the world today nearly A BILLION PEOPLE suffer from malnutrition.
Malnutrition refers to lack of proper nutrition, it may be as a result of not having enough to eat or eating meals that lack necessary nutrients. Malnutrition is principally caused by poverty and a lot of people, especially from developing countries suffer from this condition. Malnutrition weakens body immunity and make the body susceptible to diseases.<span />
The action potential generated through a threshold or suprathreshold stimulus on a neuron.
<h3>Where is the action potential generated?</h3>
The action potential (AP) originates thanks to a disturbance of the resting state of the cell membrane, with consequent flow of ions through the membrane and alteration of the ionic concentration in the intra and extracellular environments.
In this case, is a rapid change in the electrical potential of neuron membranes.
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There are omnivores, carnivores, herbivores, and decomposes. Omnivores eat both plants and animals, carnivores eat animals, herbivores eat plants, and decomposers feed on dead material.
Nitrogen fixation is the process by which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes (such as, notably, ammonia, nitrate and nitrogen dioxide).
Nitrogen fixation is performed naturally by certain types of anaerobic bacteria. Legumes such as clover contain symbiotic bacteria of this type within nodules in their root systems, producing nitrogen compounds that help to fertilize the soil. See George Washington Carver.
Nitrogen can also be artificially fixed for use as fertilizer or in other industrial processes. The most popular method is by the Haber process. Artificial fertilizer production has achieved such scale that it is now the largest source of fixed nitrogen in the Earth's ecosystem.
(This is the definition from the http://encyclopedia.kids.net.au/page/ni/Nitrogen_fixation website)
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Are there any examples we chose from?
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