Answer:
A variety of measures of national income and output are used in economics to estimate total economic activity in a country or region, including gross domestic product (GDP), gross national product (GNP), net national income (NNI), and adjusted national income (NNI adjusted for natural resource depletion – also called as NNI at factor cost). All are specially concerned with counting the total amount of goods and services produced within the economy and by various sectors. The boundary is usually defined by geography or citizenship, and it is also defined as the total income of the nation and also restrict the goods and services that are counted. For instance, some measures count only goods & services that are exchanged for money, excluding bartered goods, while other measures may attempt to include bartered goods by imputing monetary values to them.
by ejecting debris and other harmful particles from the system
Vitamin C is water-soluble, ascorbic acid supplement to our body. We get vitamin C from citrus fruits, tomatoes and of course vitamin C tablets. Too much vitamin C or overdosage will cause indigestion, diarrhea, cramps, hair loss, nausea and nerve damage to the person. Daily recommended dosage is until 90 mg per day.