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— Choose a Frequently Asked Question (FAQ) —
 
1.-

Although reflected light can give water a blue color, can light passing through water also look blue?
2.-

Are physical, chemical or biological processes more important in regulating dissolved oxygen (DO) concentrations in water?
3.-

Are there different types of surfactants?
4.-

As part of the earth's total hydrologic cycle how can evaporation and transpiration from land sources exceed what comes to a given area by rainfall when these areas are not impacted by humans?
5.-

As part of the earth's total hydrologic cycle how many inches of water evaporates from the earth's oceans each year?
6.-

As part of the earth's total hydrologic cycle how much water evaporates from the earth's land surface each year?
7.-

As part of the earth's total hydrologic cycle how much water evaporates from the earth's oceans each year?
8.-

As part of the earth's total hydrologic cycle how much water returns to the earth's land surface each year as precipitation?
9.-

At what concentration can the Tyndall effect be observed on colloidal suspensions?
10.-

Can pH of water be an indicator of chemical pollution?
11.-

Can polyelectrolyte chemicals exhibit both cation and anion properties in an aqueous solution (water)?
12.-

Can polyelectrolytes be used to stabilize colloidal suspensions or keep neutral particles dispersed in an aqueous solution?
13.-

Can pure water be treated by an electric current to separate it into acidic and alkaline components?
14.-

Can smoke from a fire cause rainfall?
15.-

Can some contaminants improve the quality of water for certain uses?
16.-

Can specific conductance of water be an indicator of chemical pollution?
17.-

Can water absorb heat better than most substances?
18.-

Can water and oil be mixed to form a solution?
19.-

Can we produce electricity from tides and waves?
20.-

Can wetting agents improve the efficiency of irrigation water?
21.-

Can you tell by the size or texture of a food how much water was used to actually produce the food item?
22.-

Do all raindrops fall at the same velocity?
23.-

Do falling raindrops always have the same shape?
24.-

Do polyelectrolyte type chemicals form weak or strong electrolytes in solution?
25.-

Do water molecules exist in special clusters that can be controlled?
26.-

Do water molecules have unique binding properties?
27.-

Do water particles in the atmosphere simply change to ice when the surrounding temperature reaches freezing?
28.-

Does our neighboring planet of Mars have water?
29.-

Does salt concentration or salinity of water affect solubility of oxygen?
30.-

Does water contain energy?
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This website was developed by the ACES Water Quality Team, under the leadership of Dr. James E. Hairston. It is funded, in part, by USDA-CSREES water quality grant support under Section 406 of the Agricultural Research, Extension and Education Reform Act of 1998.