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

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.