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The largest tree in the world: the sequoia, baobab tree, a banyan

Black widow spider - a predator insect world

Elbrus - the highest mountain in Russia

What is the diameter of the moon?

The longest leg - the most common

The biggest insect: a giant living stick

Euphorbia Pallas - a plant known as "man-root"

Where to place the extreme points of Eurasia

What are wildfires

Geography lesson: the extreme point of North America

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What is the social and cultural activities?
A few rules on how to conduct a personal diary ordinary people
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