Ichthyosaur

Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.

Clothing (21st century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Trichloromethane, chloroform (CHCl₃)

Also known as chloroform, used as a solvent in laboratories, earlier as an anaesthetic.

Clothing (Western Europe, 17th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Construction of a panel building

Buildings constructed of prefabricated concrete blocks were widespread in the former Socialist countries.

Clothing (Western Europe, 16th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Silver bromide (AgBr)

A white, crystalline compound which breaks down when exposed to light.

Silver iodide (AgI)

A light yellow compound formed in the reaction of silver nitrate and potassium iodide.

Sodium chloride (NaCl)

Common salt (or table salt) is one of the most important sodium compounds, indispensable for living organisms.

Comparison of halogens

Halogen elements are a group in the periodic table consisting of five chemically related elements, fluorine, chlorine, bromine, iodine, and astatine.

Rąstinis namas (Vengrija)

Rąstiniai namai buvo plačiai paplitę Vengrijoje Arpadų dinastijos karalių valdymo laikais.

Clothing (Western Europe, 18th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Clothing (Western Europe, 15th century)

Clothing reflects the lifestyle and culture of the region's inhabitants.

Nets of a cuboid (exercises)

This animation demonstrates the different nets of a cuboid and includes a game.

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