Environmental Sciences, asked by Anonymous, 8 months ago

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Answered by DeshnaSharma
1

Answer:

(a) The Direct Method

Deal with the individual and measure objective criteria.

  • Anthropometric methods
  • Biochemical and laboratory methods
  • Clinical methods
  • Dietary evaluation methods

   The Indirect Method

Uses Community health indices that reflects nutritional influences.

  • Ecological variables including crop production.
  • Economic factors e.g. per capita income, population density and social habits.
  • Vital health statics particularly infant under 5 mortality and fertility index.
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Answered by Happiness07
4

Answer:

According to the Cartesian sign convention, the focal length should be positive since the convex mirror forms a virtual image to the right of mirror (positive direction) when light comes from left.

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