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5. Which of these characteristics will produce the most
dense water? (type the letter in the green box)
A. High salinity, high temperature.
B. High salinity, low temperature.
C. Low salinity, high temperature.
D. Low salinity, low temperature.
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Answer:
Option B
Explanation:
The higher the solute concentration the higher is the density of the solution. Hence, water with high salinity will have high density.
Hot water has energized atoms and molecules which increase fluidity of water as viscosity is reduced. On the other hand cold water has high viscosity and hence it is denser than hot water.
Thus, Water having high salinity and low temperature will be more dense.
A map the Mauna Rea Forest Reserve in Hawaii that shows slope and elevation.
Image courtesy of USGS
The type of map above uses lines to show slope and elevation. What kind of map is shown in this image?
A.
a thematic map
B.
a special purpose map
C.
a topographical map
D.
a political map
Answer:
The map in question is a topographical map.
Explanation:
There are numerous different types of maps and every one of them has its own special purpose. One of the most commonly used types of maps is the topographic map. This a type of map where the focus is on the relief, or rather it gives us a good representation of the sloping and elevation of the mapped area.
In this case, we have a national park, represented on a map that uses lines to show sloping and elevation. This is a typical example of the topographic map as the map is showing exactly that, the topography, or relief of the area. The lines that are mentioned are contour lines, which are lines specialized specifically for the purpose of reprsenting relief as better as possible.
Answer:
C. a topographical map
Explanation:
Topographic maps are reference maps that show the shape of Earth's surface. They usually do this with lines of equal elevation known as "contour lines", but elevation can also be shown using colors (second map), color gradients, shaded relief and a number of other methods.
How can some water be used even if it isn't clean enough to drink?
Agricultural use, energy and to cool factories
or
construction, watering lawns, manufacturing use
The waste water can be effectively used for agriculture purpose, construction works and gardening.
What is waste water management?A technique called wastewater treatment is used to clean up impurities from wastewater and turn it into an effluent that can be reintroduced to the water cycle. The wastewater either has a minimal influence on the environment after entering the water cycle or is utilized for different reasons.
As much suspended solids as possible must be eliminated during wastewater treatment before the leftover water, known as effluent, is released back into the environment.
The oxygen that is needed by the aquatic plants and animals is depleted during the breakdown of solid matter.
Septic tanks are the most typical onsite wastewater treatment system type. biological filter systems used in aerated wastewater treatment systems (AWTS).
Once it has been treated, it can be utilized in place of freshwater for enjoyment, industrial activities, and irrigation.
Additionally, it can be used to keep the environment flowing, and the byproducts of its processing can produce energy and nutrients. The report claims that wastewater treatment offers a double benefit.
Learn more about waste water management, here
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Please help worth a lot of points
Full-time farmers in the United States and Canada differ from those in other parts of the world because
A. their work is driven by technology.
B. they produce crops primarily for selling.
C. their farms are rarely family run.
D. they do not allow farms to be left fallow.
E. their products are for domestic use and export.