Big panda
The big panda is a species of mammals belonging to the bear family. These animals have an interesting black-and-white color, thanks to which they look very cute. In addition to…

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Cultivated plants of our planet
Crop plants are those plants that are grown by humans for eating, feeding animals, receiving medicines or raw materials, etc. All these plants are also called agro-crops. Barley Classification 1.…

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White shark is a dangerous predator
White shark is a species of large predatory fish. And although they are best known for this name, there are others. So, the full name of these fish is Big…

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Overpopulation of the Earth

Overcrowding is a surplus of population in relation to livelihoods or the demand for labor. That is, if not all of the population of the planet is in demand, and not all the population is provided with resources for existence, then they say that the planet is overpopulated by people. It is precisely this state of things that is observed on Earth. Continue reading

Pollution of reservoirs
Water pollution is a serious environmental problem. Indeed, water is essential for the existence of all living organisms, including humans. But its contamination makes it impossible to use water for…

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World ocean and its properties
The ocean covers about 70% of the surface of our planet. Thus, it is an aquatic membrane, stretched almost all over the surface of the Earth. The oceans are continuous,…

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