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Hipervinculo Biología

Aquatic animals (Visual Dictionary)

Aquatic animals: animals living in water. See more

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Hipervinculo Biología

Fish (Visual Dictionary)

Fishanimal with skin covered with scales. It lives in water and is usually oviparous. See more

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Hipervinculo Biología

Starfish (Visual Dictionary)

Starfish: marine animal with radiating symmetry. They are equipped with numerous tube feet. See more

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Hipervinculo Biología

Animal Varieties Quiz 3

Guess the types of animals that come in these different varieties. This quiz uses common definitions, not scientific ones

It is an educational content by JetPunk, site that contains a wide variety of q ...

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Física

Cathode ray tube

Concept of cathode ray tube

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Historia del Arte

SD 5 - Why are the trees green?

The light of stars crosses the space at an amazing speed; thanks to the light of the sun, we will be aware of being surrounded by objects; in this sequence, the students will have the opportunity of s ...

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Video Física

Ray Diagrams

"All lenses and mirrors can use ray diagramsÂ to find images. There are three principal rays. The first principal ray occurs when the light comes in parallel to the principle axis, it goes out through ...