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sesenic [268]
3 years ago
13

Water molecules are attracted to the molecules in the wall of the glass container

Biology
1 answer:
iren [92.7K]3 years ago
3 0
That's because both H2O molecules and 'glass molecules', more precisely an enormous lattice of silica oxide, are polar. The surface of the glass consists of unsaturated oxygen atoms which can form H- bonding with the water molecules, giving that U shape you are seeing when you put water in a narrow cylinder. 
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18.
bagirrra123 [75]

The correct answer is rapids and waterfalls.  

Rapids refers to the segments of streams with extensively vigorous currents, various obstacles, and steps in their streambeds. A waterfall refers to a vertical drop in a stream bed. Both are the locations of vigorous erosion.  

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On the other hand, waterfalls are produced where the fast-flowing water negotiates a geologic contact amid the more resilient and less resistant layers of rock, or through a fault, which has analogized distinct kinds of rocks. Or it can be said that waterfalls usually produce at the end of a series of rapids.  


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