Examlex
If an element has an atomic number of 12, how many electrons are in its outermost shell?
Fetal Period
The stage of human development in the womb from the end of the embryonic stage (approximately 8 weeks after conception) until birth.
Cross-Sectional Design
A research method that involves analyzing data from a population, or a representative subset, at one specific point in time.
Expensive
Involving a high cost or requiring considerable resources, often more than what is considered average or necessary.
Monozygotic Twins
Also known as identical twins, these are two individuals who originate from a single fertilized egg, sharing identical genetic material.
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