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Show that you can convince your family

Saving energy is a task for everyone, because the energy consumption of the Earth’s...

Is climate permanent or changing?

This digital lesson is about climate and factors that can modify the climate.

Which came first, the feather or the bird?

This lesson presents which animals developed feathers during the course of evolution.

Show that you can make a change

Our physical and mental health, as well as our inner harmony, determine our relationship...

Let's go fishing!

This lesson introduces the anatomy and lifestyle of fishes through the examples of the...

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