Precios Iniciar sesión Registrarse

Categorías: Todo - disease - pollution - commerce

por Larry F Sommers hace 6 años

868

Coal

This is a sample mind map

Ver más

7 billion people and growing

7 billion people and growing

por Carolina Sazo

Intellectual Property

Intellectual Property

por Aroa González Gallego

Our World

Our World

por Laura Basxir

What are the world's biggest problems?

What are the world's biggest problems?

por RUGE LAVERDE RUGE LAVERDE

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