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A young woman in a hat and a pink dress stands smiling at the railing on the observation deck and looks at the seaside landscape on a sunny summer day.
Science classroom helps students learn to observe, investigate and experiment about natural phenomena and then systematize results, principles, concepts and theories.
montessori concept, girl playing with color bead stairs near teacher, wooden stand, educational
Weather satellite for observing powerful thunderstorms of storms and tornadoes in space orbiting the earth. Elements of this image furnished by NASA.
Silhouettes of people observing stars in night sky. Astronomy concept.

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Knowledge shiny emblemKnowledge black emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/knowledge-shiny-emblemknowledge-black-emblem-293094401">Image used under license from Freestock.com</a>
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Knowledge shiny emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/knowledge-shiny-emblem-292453865">Image used under license from Freestock.com</a>
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Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-213926167">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-194655008">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-186912500">Image used under license from Freestock.com</a>
Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-163175336">Image used under license from Freestock.com</a>
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Pretty young woman gesturing with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-young-woman-gesturing-empty-space-149306204">Image used under license from Freestock.com</a>
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