<P> The success and dominance of plastics starting in the early 20th century led to environmental concerns regarding its slow decomposition rate after being discarded as trash due to its composition of large molecules . Toward the end of the century , one approach to this problem was met with wide efforts toward recycling . </P>
<P> The success and dominance of plastics starting in the early 20th century led to environmental concerns regarding its slow decomposition rate after being discarded as trash due to its composition of large molecules . Toward the end of the century , one approach to this problem was met with wide efforts toward recycling . </P>
when did the use of plastic become popular
when did the use of plastic become popular
in the early 20th century
in the early 20th century