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"The nitrogen cycle follows the movement of nitrogen in its different forms. Nitrogenous gas makes up 80% of the atmosphere and most nitrogen enters into the ecosystem via nitrogen-fixing bacteria, bu ...
"Newton's Law of Universal Gravitation says that everything with massive particle in the universe attracts all other massive particles. This force is called gravity. The force of gravity = universal g ...
"A barometer is a device used to measure pressure. Gauge pressure is the difference between a pressure and atmospheric pressure. Gauge pressure can be negative while total pressure cannot." Fuente: Br ...
"Neurons are cells of the nervous system that send signals. Neurons are classified by function (sensory, motor or interneurons), by structure (multipolar, bipolar or unipolar) and by neuron communicat ...
"Balancing chemical equations allows us to find the proper ratios of reactants and products within a chemical equation. In a balanced chemical equation, the same atoms are present on each side of the ...
Video Química
"A net ionic equation is an equation for a double replacement reaction which shows only the reacting ions and omits the spectator ions." Fuente: BrightStormNet Ionic Equation es un contenido didáctico ...
Video Física
"When the torques on either side of a fulcrum are equal, they are called balanced torques. A common example of balanced torques is two children on a see-saw. If the fulcrum is in the center of the see ...
Video Biología
"The nervous system is a network of neurons that send signals to different parts of an organism's body to coordinate the actions of the organisms. Most animals have two parts to their nervous systems ...
Video Biología
"The Bacteria Kingdom, formerly called monera, are single celled prokaryotic organisms. Bacteria encompass two domains: eubacteria and archaea. Eubacteria and archaea have very different cell walls. T ...
Video Química
"Avogadro’s Principle, also known as Avogadro’s Law, is one of the gas laws. Avogadro’s Principle states that equal volume of mass at the same temperature and pressure contain the same number of molec ...
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