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What are the main sources of mercury pollution?
What do you mean by eutrophication?
Why transgenics are considered a threat to the environmental safety?
Explain water cycle?
How does npp relate to the energy pyramids?
Define inharmonious ecological interaction?
How does biological diversity relate to the characteristics of the abiotic factors of an ecosystem?
What are the advantages of leguminous crop rotation in agriculture?
Can food chain present quaternary consumers without having secondary or tertiary consumers?
How are ecological interactions classified?
Why plutonium reprocessing is a big environmental issue?
In a numeric pyramid to which tropic level does the base always refer?
Explain the mutualism?
What is the nitrogen cycle?
Why are less biodiverse ecosystems under the risk of suffering deep biological harms if submitted to even small changes?
