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-Of the elements indicated on the periodic table shown above,which forms the strongest binary acid,H2X or HX,where X = A,B,C,or D?
Preparedness
The state of being ready and able to deal with specific situations or emergencies.
Cognitive Development
The process by which one becomes an intelligent person.
William Perry
An American educator and psychologist known for his theory of intellectual and ethical development in college students.
Dualism
A philosophical concept that posits the existence of two fundamental principles, often contrasting, such as mind and body or good and evil.
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