What is the definition of environmental pollution?

I- Environmental pollution is the emanation of some form of energy, chemical material, or microorganisms that cause an ecological imbalance.
II- Environmental pollution can be classified by its origin, by the source that originates it, or by the type of pollutant that is segregated.
III- Natural pollution is generated by some natural factor, such as volcanic eruptions, earthquakes, climate changes, spontaneous forest fires, decomposition of living beings, or ocean waves.
IV- Anthropogenic or artificial pollution happens when spills are caused by the direct influence of man's hand.
V- Chemical pollution is the emanation of chemical substances to one of the components of the earth, such as detergents, CO, CO2, SO2, NOX, macroparticulate material, hydrocarbons, plastics, bottles, heavy metals, etc.
VI- Biological pollution is the emanation of microorganisms such as viruses, protozoa, fungi, etc., and if not controlled quickly, can produce endemic diseases such as cholera, botulism, dengue, malaria, etc.
a) I, II, III, IV, V, and VI are correct.
b) I, II, and V are correct.
c) III, IV, V, and VI are correct.