Examlex
Nitrogen atoms can form a maximum of four covalent bonds with other atoms.
Fraternal Twin
Siblings that are born at the same time but have developed from two different eggs fertilized by two different sperm, leading to them being genetically distinct, similar to regular siblings.
IQ Scores
Quantitative measures of a person's intelligence relative to others, based on standardized tests assessing various cognitive abilities.
Identical Twin
A twin that shares the same genetic material with their sibling due to having developed from a single fertilized egg that split.
Infant Mortality
Infant mortality refers to the death of infants and young children under the age of one year and is often used as an indicator of a country's health status.
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