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An element that has the valence electron configuration 3s1 belongs to which period and group?
Microsystems
Microsystems are immediate environments or contexts in which an individual actively participates, such as family, school, or peer groups, influencing their development.
Maslow's Hierarchy
A theory in psychology proposed by Abraham Maslow, which outlines a hierarchy of human needs, from basic physiological needs to self-actualization.
Pyramid
A structure or concept that is shaped or organized in a way that resembles a geometric pyramid, often representing hierarchical layers.
Head Start
A program in the United States that provides comprehensive education, health, nutrition, and parent involvement services to low-income children and their families.
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