Sand in water. When sand (mostly silica, SiO2) is added to water (left), it does not dissolve but settles at the bottom of a container, with clear water over it (right).

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Creative#:

TOP22305694

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

Property Release:

No

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No

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Same folder images