Salinity in both the rivers and on the land is one of the main and most costly
results of overclearing and irrigation. Salinity is caused by changes in the
delicate balance between surface water and groundwater systems. A small increase
in the infiltration of water from the topsoil to the groundwater, due to
rainfall or irrigation, can result in a dramatic rise in groundwater pressure
and watertable levels.
The trees of the open forests are now replaced by shallow-rooted crops and
pastures which absorb far less water than the native trees. Those trees had been
massive water pumps, sucking up moisture from deep underground and putting it
back into the atmosphere through the evaporation from their leaves. With those
pumps gone, ...
has been a reoccurring phenomenon for centuries. Man has only started to realize how much of the worlds weather is effected by it. The term refers to an irregular warming of the seas surface. During the last 40 years there have been 10 significant occurrences. Most affecting the coast of South America. Water temperatures increase along the...
Killer Whale, a name to strike terror in the hearts of sea ferers in all the oceans of the world. The Romans called it Orca, meaning "The demon from Hell." Originally, american fisherman referred to them as "Whale Killer" because many fisherman reported seeing pods of them attacking and killing Humpback, Gray, and even Blue Whales. Somehow the name...
is an organic brain syndrome which results in global cognitive impairments. can occur as a result of a variety of neurological diseases. Some of the more well known dementing diseases include Alzheimer's disease (AD), multi-infarct (MID), and Huntington's disease (HD). Throughout this essay the emphasis will be placed on AD (also known as of...
After the recent discovery of single-cell life forms from mars were discovered contained in meteorite that crashed to the earth 12 YEARS AGO. I have many doubts to believe that it is the case. There is still no proof after all these years that the sightings of flying sources moving across the sky at tremendous speeds do really exist in the first pl...
One morning my mom said "Andy, get up and clean the bathroom!" It was always an essential and important labor to the family. I got up and gathered all the normal cleaning agents we used; Ajax, ammonia, and this liquid bleach that my mom said worked wonders. The toilet I cleaned using the Ajax the sink I cleaned using the Ajax there seemed to be no...