Question

why do man made material like plastic persist for a long time in our environment

Answer 1

hey mate here is your answer t
because plastic is non biodegradable

Answer 2

he man has made the material like plastic to persist in an environment for a long time because of its non-biodegradable property.

When a material is non-biodegradable in nature, it remains non-degradable in the environment for a long time and hence many can use it for many years.

Hope this answer helps.