Answer: Surface tension created by hydrogen bond.
Explanation:
Surface tension is the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area. The fish could survive for some moment due to the surface tension created by the hydrogen bonds between the water molecules.
Old landmarks ,rivers ,paths , old trading area’s , villages
Answer: An economic system is a means by which societies or government organize and distribute available resources, goods and services across a geographical location. There are varieties of economic system in use throughout the world today. Example of some of them are capitalism, socialism, communism, etc.
An economic system is an economic order, a system of production, resource allocation and distribution of goods and services within a defined territory. It involves the corporation of the various institutions, agencies, entities , decision making processes. All economic structure are based on three different questions, which are what to produce? How to produce ? and for whom to produce? . Economic system involves how these agencies and institutions are linked together and how informations flows between them.
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