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Video: Ocean flow in the world
Videos

Video: Ocean flow in the world

The world's ocean currents are constantly moving, playing a very important role in regulating the Earth's climate as well as affecting the migration of many species.

December 15, 2018
The liquid boils and freezes at the same time
Videos

The liquid boils and freezes at the same time

Cyclohexane is poured into a flask in a vacuum state. When the pressure in the flask decreases, the cyclohexane on the surface begins to freeze and the liquid beneath th…

December 15, 2018