Environmental Science
Who had stated in the Stockholm Conference in 1972 that poverty was the greatest polluter?

Indira Gandhi
Jawaharlal Nehru
Mahatma Gandhi
Rajiv Gandhi

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Environmental Science
Which of the following regarding ecological pyramids is not correct?

In deep water ecosystem, the pyramid of biomass is upright
In most ecosystems, the pyramid of numbers and biomass are up right
The pyramid of energy expresses mainly the rate of food production
In tree dominated ecosystem the pyramid of numbers is inverted
The total energy flow at successive tropical level always decreases

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