Examlex
Inventor Lee De Forest developed a vacuum tube capable of detecting and amplifying radio signals.
Body Dissatisfaction
a person's negative thoughts and feelings about his or her own body size, shape, or appearance.
Social Network Sites
Online platforms that enable users to create public profiles, interact with other users, and form connections based on shared interests.
Emotional Health
A component of mental health that involves the ability to manage and express emotions effectively, and the capacity to form secure interpersonal relationships.
Social Media
Online platforms and applications where users can create, share, or exchange information, ideas, pictures, videos, and messages with others in virtual communities and networks.
Q2: The law that grants sweeping powers to
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Q88: In the 1990s, AOL was the top