Examlex
According to the Heisenberg Uncertainty Principle, it is impossible to know precisely both the position and the _ _ of an electron.
Grandparents
The parents of one's parents, who play varying roles in family structures from caregivers to sources of wisdom.
Nuclear Families
A family unit that includes only parents and their children, regarded as a basic social unit.
Two-Parent Homes
Households in which children are raised by both biological or adoptive parents, often associated with positive developmental outcomes for children.
Single-Parent Homes
Households in which one parent is responsible for raising one or more children.
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