Destruction of forests
Forest felling is one of the most serious problems of our time. This is true, since the value of forests in our world is very large. And this means that…

Continue reading →

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…

Continue reading →

The atmosphere of the building
The Earth's atmosphere has a number of layers that differ in their various properties: temperature, pressure, height, composition, etc. Troposphere The area of ​​the atmosphere extending from the surface of…

Continue reading →

because of its influence

The lakes and their role in nature

The lake is a naturally occurring water filled with water in the boundaries of a lake bowl and has no direct connection with the sea or the ocean. Or, according to geographical definition, a lake is a naturally occurring closed entrainment filled with water in the earth’s surface.
The lakes are not part of the world ocean, being considered as something intermediate between the ponds and the seas. 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

Viruses and viral diseases
The virus is an infectious agent that does not have a cellular structure, and is capable of reproducing only within cells of living organisms. For this they are referred to…

...

Artificial reservoirs of our planet
An artificial reservoir is a pool of water formed by a human being, for the purpose of its conservation, accumulation and further use. In other words, this place created by…

...