If you are asking for a definition then its the arts and other manifestations of human intellectual achievement regarded collectively.
Hope this helps.
By the late 1960s, people were declaring that “Lake Erie is dead.” The lake was heavily polluted with factory pollutants and sewer waste. ... As pollutants increased in the water, so did phosphorus and nitrogen levels, which led to the development of algal blooms.
The hot, humid weather made the work exhausting.
It’s b, sellers of illegal alcohol