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Suponha que um certo equipamento que custa R$ 80.000,00 desvalorize 10\\% ao ano nos 6 primeiros anos de uso. Qual será o valor, em reais, deste equipamento após 3 anos de uso?

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A água da chuva, em contato com o CO2, presente no ar, já possui, normalmente, um caráter ácido, no entanto só dizemos que a chuva tem um excesso de acidez quando seu pH for:

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A contaminação é um fator determinante na deterioração da qualidade de vida.
A qualidade do ar é determinada pela presença ou ausência de várias substâncias e suas concentrações.
O chumbo é um veneno muito potente que até recentemente estava presente na gasolina e na tinta de casas.
A composição do ar determina sua qualidade e adequação para certas atividades.",[170,171,172],{"_16":17,"_18":17,"_19":191,"_21":192,"_45":17,"_46":205,"_88":206},"9fb859a2-e844-4d7f-8961-7e996d62d5a3",[193,196,199,202],{"_19":194,"_25":26,"_27":195},"307a81cc-202f-4565-86c9-a278c4a50f2e","Only statements I and II are correct.",{"_19":197,"_25":31,"_27":198},"04bb21b3-f6e0-46f1-9caf-f7d97e9347c8","Only statements II and IV are correct.",{"_19":200,"_25":35,"_27":201},"58231088-7f18-4137-a003-0cac4fe98234","Only statements III and IV are correct.",{"_19":203,"_25":39,"_27":204},"c9cf87d4-9c55-4f12-96cd-d4636f21e816","All statements are correct.","

What are some of the environmental pollutants and their effects on health?

Contamination is a determining factor in the deterioration of the quality of life.

The quality of the air is determined by the presence or absence of various substances and their concentrations.

Lead is a very potent poison that until recently was present in gasoline and house paint.

The composition of the air determines its quality and suitability for certain activities.

",[170,171,172],{"_16":17,"_18":17,"_19":208,"_21":209,"_45":17,"_46":225,"_88":226},"be897b84-998a-456e-8d3d-cc75d0b361d7",[210,213,216,219,222],{"_19":211,"_25":26,"_27":212},"6a300920-5c30-4ef5-8fec-3155d48a3057","Cor do poluente.",{"_19":214,"_25":31,"_27":215},"b53c9869-a299-4e21-a191-f63b4e75f6d0","População ao redor.",{"_19":217,"_25":35,"_27":218},"e09d6003-f4b4-4bc7-8dcb-24d07513ccb3","Custos de investimento/instalação.",{"_19":220,"_25":39,"_27":221},"684400bf-3cf2-4e0a-a66f-380796e17c5e","Emissão dos poluentes.",{"_19":223,"_25":43,"_27":224},"01c8db24-52f4-4039-9f35-df3f61dc8901","Tipo de fonte.","

Alguns parâmetros devem ser levados em conta na hora da escolha de um método específico para o tratamento de poluentes atmosféricos.
Assinale a alternativa CORRETA:

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