Soil layers and pollution vocabulary

Nicole King 5 perguntas

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Perguntas do quiz (5)

1What is Pollution?
1. AHarmful substance in the enviroment
2. Bsomething that comes from nature that people can use
2A renewable source is a resource that can be replaced easily
1. AVerdadeiro
2. BFalso
3Which one is NOT a layer of soil?
1. ATopsoil
2. BHumus
3. CBedrock
4. DSubsoil
4[blank_start]Composting[blank_end] is making humus by yourself, then using that humus as fertilizer.
1. AComposting
2. BConserve
3. CConsumer
5[blank_start]Fossil Fuels[blank_end] form over many years from the remains of once living organisms.
1. AFossil Fuels