Preços Iniciar Sessão Cadastre-se

Categorias: Todos - disease - pollution - commerce

por Larry F Sommers 6 anos atrás

885

Coal

This is a sample mind map

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Coal

Item of commerce

Fossil record

Nasty stuff

Air pollution

Lung disease

Dirty

Byproducts

Airborne soot

Ashes

Clinkers/cinders

Fly ash

Household heating

Child chore

Furnace