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Matematika (15)
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Filosofia (4)
Video Biología
"Binary fission is a form of cell division used in the asexual reproduction of prokaryotes. It is much simpler than mitosis, consisting of DNA replication and cytokinesis." Fuente: BrightStormBinary F ...
Video Química
"The noble gases are located in the last column on the right side of the periodic table and are some of the most stable elements in the periodic table. The noble gases include helium, neon, argon, kry ...
"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 ...
"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 ...
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 Matemáticas
"The average velocity of an object over a given period of time is found by dividing the distance it has traveled by the time elapsed. Because velocity refers to the rate at which an object changes pos ...
Video Biología
"Natural selection is a theory conceived by Charles Darwin that states that in a population, organisms with a genetic trait that increases the chance of having offspring will pass on their genes to th ...
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