By: David Layland
The History of Infrastructure of the Seven State Compact Imagine if you can that it has only been in the last 100 years or so that man has, with varying levels of success learned to control the environment called the Southwest. The ongoing arguments over...
By: Maxwell Payne
The primary difference between hard water and soft water is the amount of earth minerals present in the water even after it is treated enough for human use. Hard water contains more particles of minerals including calcium and magnesium.Water hardness typically is expressed in...
By: Milan Singhal
"An ecosystem consists of the biological community that occurs in some locale, and the physical and chemical factors that make up its non-living or abiotic environment. The aboitic components include sunlight temperature moisture, soil or water chemistry etcetera are many examples of ecosystems - pond...
By: Christina A. Armani
There are lots ways to reduce your water consumption. Many won't even cost you anything, and will reduce your monthly water bill. They will help save the environment and benefit plants and grass. We all need to do our part to take care of our...
By: Anne StClair
The National Oceanic and Atmospheric Administration (NOAA) was formed in 1970 as an agency in the US Department of Commerce. At that time several older scientific agencies were brought under the umbrella of NOAA, including the weather bureau, bureau of commercial fisheries and the US...
By: Elizabeth Hedger
In my Year 8 science class, we did an experiment with sea water. We removed the sand using filter paper and left the water to evaporate. When it did, there was a layer of salt crystals left behind. But if we had done the same...
By: Melissa J Luther
Water hardness is a measure of the minerals, mainly magnesium and calcium, dissolved in the water. These minerals exist in water as cations (positively charged ions). Water picks up these cations from rocks and sediment as it travels within the earth. Water hardness varies by...
By: Tiongho Poh
Water SafetyAt some parts of the world, the water level during the low tide and the high tide can exceed 3 meters. It would be unwise to walk too far offshore during low tide, because when you want to come back to shore, you may...
By: Ian Loft
The Grand Canyon stands as mute testimony to the power of water and erosion and the shape of our land. Perhaps not in isolation, but certainly as the most significant contributing factor, the Colorado River over a period of millions of years worked in conjunction...
By: Jaimela King
So much talk about acid rain, but what are we doing about it? That brand new SUV sure makes a statement and boy does it have all the bells and whistles. As members of the human race we need to cultivate an awareness about acid...

 

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