Unoka - Okonkwoâs father, of whom Okonkwo has been ashamed since childhood. By the standards of the clan, Unoka was a coward and a spendthrift. He never took a title in his life, he borrowed money from his clansmen, and he rarely repaid his debts.
Different kinds of plastic can degrade at different times, but the average time for a plastic bottle to completely degrade is at least 450 years. It can even take some bottles 1000 years to biodegrade! Thatâs a long time for even the smallest bottle. 90% of bottles arenât even recycled.
Images courtesy Taronga Zoo. The biggest problem with plastic bags is that they do not readily break down in the environment, with estimates for the time it takes them to decompose ranging from 20 to 1000 years. One of the disquieting facts stemming from this is that plastic bags can become serial killers.