Dams affect animals ecosystems a decrease in the fish population which in turn decrease other animal population who depend on fish as a food sources

true or false

When the mercury level in a barometer decreases that atmospheric pressure has

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Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)