What are the main sources of mercury pollution?
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What do you mean by sustainable ecology?
Why does thermal inversion increases air pollution?
What is a biodigester?
Explain the main characteristics of the age pyramids of developed countries?
What is ecological succession?
What is gpp? How is it related to photosysnthesis?
How does the vegetal stratification of an ecosystem influence the biological diversity?
Explain the main chemical compounds that destroy the ozone layer?
Explain remediation?
Define harmonious ecological interaction?
What is the difference between the concepts of community and population?
How many tropic levels can a food chain have?