<Tr> <Td> Plywood </Td> <Td> 1--3 years </Td> </Tr> <Tr> <Td> Painted wooden sticks </Td> <Td> 13 years </Td> </Tr> <Tr> <Td> Plastic bags </Td> <Td> 10--20 years </Td> </Tr> <Tr> <Td> Tin cans </Td> <Td> 50 years </Td> </Tr>

Biological decomposition of organic control condition is known as