![](https://nthumb.tpgimages.com/mid2_com_img/28103/24055/TOP22305694.jpg)
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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Details
Creative#:
TOP22305694
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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