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Big Bang theory vector illustration infographic. Universe time and size scale diagram with development stages from first particles to stars and galaxies to gravity and light. Cosmos history map.
Lever seesaw balance flat icon with long shadow. Simple Physics icon pictogram vector illustration. School subject, experiment, study, simple machine, Physics concept. Logo design
3D Isometric Flat Vector Illustration of Multiple Intelligences, Theory Describing the Different Ways Students Learn and Acquire Information
Abstract vector seamless pattern with handwritten text, "chalk writings on blackboard" effect
Maslow's pyramid, hierarchy, triangle of human needs, vector flat illustration on a white background. The concept of a psychologist, the structure of human needs

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