Where do these materials com from?

Where do these materials com from?
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คำแนะนำของผู้เขียน

Unir con flechas cada material con su procedencia

สำรวจแผ่นงาน

Ficha de 1ro Primaria

Physical Science - Science

Lee detenidamente los ejercicios y responde 

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Physical Science - Science

Choose the correct option

PRUEBA

Physical Science - Science

ES UNA HOJA DE TRABAJO 

Materials Suitability

Physical Science - Science

Put a tick in the table to show a good choice or a cross to show a bad choice.