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A new study led by theInstitut de Ci猫ncies del Mar(ICM-CSIC) in Barcelona, in which theInstituto de Investigaciones Mari帽as(IIM-CSIC) in Vigo has also participated, has revealed that PLA plastic, of biological and biodegradable origin, does nb sneakers 574 not degrade in the marine environment any faster than plastics that come from petroleum, such as polystyrene, polyethylene or polystyrene.PLA plastic is used to produce single-use cups, plates and cutlery, among others. Previous studies had proven that this type of plastic does not biodegrade below 60掳C, conditions that do not occur in the ocean, although experts had hoped that i nike dunk nike t would be more sensitive to photodegradation -caused by sunli yeezy 700 ght- and that the resulting degradation products would be more easily degraded by marine bacteria, but this is not the case."The fact that plastic is biodegradable does not mean that it degrades under all conditions. For example, compostable plastic needs temperatures of more than 50潞C to be biodegraded, and this SRINAGAR:Suspected militants on Monday gunned down two Ind samba adidas og ian police officers in Srinagar, the main city in the restive state of ugg Kashmir.Police said the attackers shot at police as they patrolled the old part of the city, killing the two men before speeding off on a motorbike.Deadly attacks on security forces are relatively common in the disputed Indian-controlled Himalayan region, but Srinagar has been largely free from such incidents in recent years.Kashmir elections: Nationalists demand right to contest polls"Reinforcement of paramilitary forces has reached the spot and an operation against the attackers has been initiated," a police officer told AFP on condition of anonymity.No militant group has claimed the attack.Kashmir has been divided between India and Pakistan since the end of British colonial rule in 1947. Both claim the territory in its entirety.Several militant groups have since 1989 been fighting police or troops deployed in the I newbalance 550 ndian sector, calling for its independence |
