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What is the escape speed from the sun,beginning (from rest relative to the sun) at the orbit of Earth,R = 1.50 108 km.(Given: G = 6.67 10-11 N · m2/kg2; mass of the sun = 2.0 1030 kg.)
Infant Activity
Refers to the physical and cognitive activities and behaviors demonstrated by babies, crucial for their developmental milestones.
Lead Exposure
Contact with lead, a toxic metal, which can cause serious health problems, especially in children, affecting brain development and various other systems.
Intelligence Scores
Quantitative measures of a person's intellectual abilities, typically obtained through standardized testing.
Smelter
An industrial facility where metal is extracted or refined from ore by heating to a high temperature.
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