00:01
Hello everyone, so in this question we are here asked to use a library or internet to find out more about this biodegradable substance, biodegradable and non -biodegradable substances and how long are various non -biodegradable substances expected to last in our environment.
00:29
So we are here asked to discuss about this biodegradable and non -biodegradable substances.
00:34
So this biodegradable substances are materials materials that can be broken down by natural process for example by the action of microbes.
01:05
So example for this biodegradable materials are paper, food, food waste, wood etc.
01:21
When coming to this non -biodegradable materials, these are the one that do not break, do not break down easily or at all natural process, natural process.
01:50
So these substances can persist in environment for long period causing pollution and harm to ecosystem.
01:58
Examples include plastics, metals, glass etc.
02:08
So the time it takes by a non non -biodegradable substance substance to break down in the environment varies widely.
02:25
For example plastic would take about 10 to 20 years.
02:32
Aluminium cans can take about 80 to 200 years to completely break down and for glass bottles glass bottles it took about more than more than thousand years, more than thousand years...