Nitrates and phosphates are nutrients that plants need to grow. In small amounts they are beneficial to many ecosystems. In excessive amounts, however, nutrients cause a type of pollution called eutrophication.Eutrophication stimulates an explosive growth of algae (algal blooms) that depletes the water of oxygen when the the algae die and are eaten by bacteria.itrates and phosphates are nutrients that plants need to grow. In small amounts they are beneficial to many ecosystems. In excessive amounts, however, nutrients cause a type of pollution called eutrophication.
Traditional economy. A traditional economy is any historical subsistence economy or one that otherwise falls outside the definitions of market or planned economies. A PURE traditional economy has NO changes in how it is done. Examples of traditional economies include those of the Inuit or those of the tea plantations in south India. Traditional economies are popularly conceived of as primitive or undeveloped economic systems, having tools or techniques seen as outdated.
A traditional economy is an economy based on custom and tradition. The economic system in which resources are allocated by inheritance, has a strong social network and is based on indigenous technology and methods. traditional economy is an economic system where decisions are  based on customs, beliefs, or religion within a social community.  People work together to produce goods to â¦ meet their needs, and  share with family. They trade with their community/family with  their excess.