Respuesta :
Answer:
RoHS applies to the following substances for electronic equipment and electrical appliances: lead, mercury, cadmium, hexavalent chromium, PBB (polybrominated biphenyls), and some PBDEs (polybrominated diphenyl ethers).
Answer:
Plastic has a significant environmental effect since it takes a long time for it to degrade. Furthermore, as plastic components decompose in the sun, harmful chemicals are released into the soil, and when plastic parts are burned, hazardous substances are discharged into the air, producing ambient air pollution.