What is the main means by which autotrophic beings obtain energy?
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Explain the three main types of tropic pyramids studied in ecology?
In a numeric pyramid to which tropic level does the base always refer?
Define transgenic food?
Why transgenics are considered a threat to the environmental safety?
Explain different types of wastes?
Define bioremediation?
What are societies?
Explain the main characteristics of the age pyramids of developed countries?
Define biodiversity?
What are deciduous trees?
Why does thermal inversion increases air pollution? Which harms can thermal inversion cause to humans?
Why does thermal inversion increases air pollution?