What is transgenic food?
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What are species?
Explain the main chemical compounds that destroy the ozone layer?
What are the environmental harms caused by mercury pollution? What are the main sources of mercury pollution?
Is the upward move of the warm air good or bad for the dispersion of pollutants?
What is the zooplankton?
What are autotrophic beings?
Define inharmonious ecological interaction?
Can food chain present quaternary consumers without having secondary or tertiary consumers?
Explain environmental resistance?
Explain the main biological process that consumes carbon dioxide?
What is a biodigester?
What are the differences between the age pyramids of developed and under developed countries?