Salvia officinalis
Medicinal sage is a grassy plant of the genus Salih. Its name, as you can guess, received this form for the medicinal properties that it possesses. Medicinal sage does not…

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WWF - World Wildlife Fund
The World Wildlife Fund (WWF) is one of the largest independent international public organizations engaged in the conservation and restoration of the environment. Its main goal is to maintain the…

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Plain roach
Roach is a very common fish belonging to the family of carp. Other names of this species - vobla, ram, chebak, squire, fence. And it has such a large variety…

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causes physical

Role of rivers in nature

The river is a significant amount of water flow flowing along the channel (deepening in the earth’s surface) from the source (the beginning of the river) to the mouth (the point of entering another reservoir). The river collects its waters due to surface and underground drains. Basically, as a result of precipitation. Therefore, in the dry seasons, the channel can dry up, and in rainy, on the contrary, overflow. The floodplain part of the river valley is called floodplain. Continue reading

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, and wash areas of land on all sides, be it continents, or islands.

The ocean on the map
The author of the photo is Link576, the link to the original (photo has been changed).
Parts of the world ocean Continue reading

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. Grain crops. They are also called grasses. They are very important for a person, since they make up his basic diet. In addition, cereals are used as feed for animals, and also used in production. In general, cereals are very important. Plants such as wheat, rice, barley, oats, corn, buckwheat, rye and many others enter this group. Continue reading

Ayr and his benefit
Air is a genus of evergreen herbaceous plants, which includes from 2 to 6 species (according to different sources). There are these useful plants in various humid places: on the…

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Land and relief of the planet
Sushi is called the part of the surface of the planet that is not covered by oceans, seas, lakes, rivers and other water objects. And its share accounts for less…

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