Examlex
What is the approximate diameter of an atomic nucleus?
Dizygotic Twins
Also known as fraternal twins, they are siblings born at the same time as a result of two different eggs being fertilized by two different sperm, sharing about 50% of their DNA.
Monozygotic Twins
Twins that originate from a single fertilized egg, making them genetically identical.
IQ
Intelligence Quotient, a measure of a person's intellectual abilities in relation to an average score for their age group.
Chemical Elements
Substances that cannot be chemically broken down into simpler substances and are the primary constituents of matter.
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