Compare the student text with the source.
Source: National Geographic Society, ‘Nanotechnology’. Published on NationalGeographic.org.
Natural nanomaterials, as the name suggests, are those that occur naturally in the world. These include particles that make up volcanic ash, smoke, and even some molecules in our bodies, such as the haemoglobin in our blood.
Student text:
Natural nanomaterials are those that occur naturally in the world, such as volcanic ash, smoke, and the haemoglobin in our blood (National Geographic Society).
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