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
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
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.
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