It can take a long amount of time, up to 3 years due to atmosphere and air particals. these can affect how long it taked to decompose. you should keep in it the sun if you it to decompose fast.
The plastic bag will not decompose but it may clog up the toilet.
Yes plastic do decompose. But they will take about 500 to do so. So we don't encourage to use plastic bags when we purchase our items in the supermarket. A better choice is to bring recycling bag , a recycling bag takes only a few years to decompose
20-1000 years
it takes 500 years
maybe an hour or two!
about 10 seconds if you are fast
It does not decompose, but brakes up into tiny pieces and eventually turns into plastic dust. This process takes hundreds of years.
The bag itself will take centuries if not longer to break down as it is a layered metalized plastic material.
no plastic does not decompose
A typical plastic garbage bag can take hundreds to thousands of years to fully decompose in a landfill. Some estimates suggest it may take up to 1000 years for a single plastic bag to break down.
According to Penn State University, a plastic bag takes 10 to 20 years to decompose, where as a plastic container takes 50 to 80 years to decompose. The worse though is a plastic soda bottle. A plastic soda bottle takes 450 years to decompose! All of these types of plastics are recyclable however. This is just another reason why recycling should be done by everyone.
A cotton bag will take a few months to biodegrade/decompose.