Liquid nitrogen (N2) represents itself transparent liquid, from slightly smaller, than at water, density. In this state nitrogen has exclusively low temperature (near – 196 degrees). How it is possible to receive liquid nitrogen?

Basis of existence of the biosphere is circulation of substances and transformation of energy. Living organisms take a large amount of mineral and organic matter from the environment, after their death chemical elements are returned to it.

Why on the same reservoir with the same tackles and baits one fisher does cutting behind cutting, and another sits without biting? It is all about a bottom relief. Fish during the day moves on a bottom, choosing the most convenient locations, brows or poles. It is possible to define a bottom relief by means of the sonic depth finder or manually.

It is rather simple to have the beautiful, tightened figure today. It is enough to address experts who will appoint to you the corresponding food and physical exercises. It is important not to do harm to the organism similar programs. Therefore in everything it is necessary to observe a measure.