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Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the