Accurately describes the elements the phases of the menstrual cycle of human

Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters

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What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an