Explain the analyses provided by the study of human age pyramids?
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What do numeric pyramids represent?
Explain what are fossil fuels?
what is transgenic food and its health hazards?
Under which form is nitrogen fixed by the living beings.
Explain the mutualism?
What is biotic potential?
What are the main types of waste?
What is an ecosystem?
Define biotic potential?
Which harms can thermal inversion cause to humans?
Explain some examples of migratory animals?
Define harmonious ecological interaction?