Science wallpaper on telephone in the section Men / page 31

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Wallpaper Search science in the section Men

Elegant christmas tree in the middle of the forest. a lot of gifts under the christmas tree

Elegant Christmas tree in the middle of the forest. A lot of gifts under the Christmas tree

A snake in a secret lair

Bird icon in flames

Drawing of the earth on ancient maps

A handprint on a blackboard

Apple smartphone flash light

Apple Smartphone Flash Light

New technologies robot as a person

A fantastic dragon is an option for jewelry

The planet saturn in space above the surface

The planet Saturn in space above the surface

Abstract of astronomy and spheres in space

Primitive forms of life in black aero

Primitive life forms of the red aero

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Система знаний о закономерностях в развитии природы, общества и мышления, а также отдельная отрасль таких знаний. То, что поучает, даёт опыт, урок (в 4 знач.; разг. ).