Energy Tube, teaching resource for an array of scientific concepts: open and closed circuits, conductors vs. Insulators, light waves, sound waves,currents, and energy, When a conductor touches both of the electrodes on tube, tube emits a sound and flashing red/green/blue LED lights
Antiserum, ABO-RH, 50 Students, set 3, Synonyms: Anti-A, Anti-B and Anti-Rh(D), Monoclonal Antibodies, Appearance: Liquid, Blue (Anti-A) or Yellow (Anti-B) or Clear (Anti-D)
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