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Measuring the amount of deu terium in the universe allows us to set a limit on the density of ordinary matter of universe. Density of the universe is about 9×10-27 kg m-3, because of the way in which deu terium was created in the Big B ang, an exact measurement of the amount of deuterium would allow scientists to set limits on the models of the great explosion.
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options?
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what are the options let me see so I can answer it
Upwelling<span> is a process in which deep, cold water rises toward the </span>surface<span>. This graphic shows how displaced </span>surface<span> waters are replaced by cold, nutrient-rich water that “wells up” from below. Winds blowing across the </span>ocean surface<span> push water away.</span>
