Bottled straight-chain alkanes can be used as fuels, including pentane  and hexane .     pentane  hexane  ΔΗ°comb (kJ/mol) -3535.0  -4163.0  Liquid Denisty (g/mL) 0.684  0.655

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Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.