Sentences with phrase «chemical elements necessary»
He also discusses how the early stars seeded the cosmos with the chemical elements necessary for life.
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When they erupt, the stars spew out their guts, seeding the cosmos with chemical elements necessary for life to exist.
Not exact matches
That cluster is also devoid of the heavy chemical elements thought necessary to evolve a planet.8 At least 30 separate planets each orbit a pair of suns whose constantly changing positions would disrupt any slow evolution of a planet.9 One planet has been repeatedly observed eclipsing each of the eccentric binary stars it orbits.
This vitamin is an essential element of coenzyme A, a vital body chemical involved in many necessary metabolic functions.
Facts about women and drug abuse and their risk factors for drug abuse are shared, as well as information on necessary elements of treatment training programs for women, characteristics of addiction and dependence, and factors contributing to chemical dependence.