Salinity refers to the principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater. It is the measure of all the salts dissolved in water.
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It is true that in South Africa (and also Namibia) it is still legal for big game hunters to shoot rhinos for trophies but this allowance is strictly limited to 5 rhinos per year for both countries and these are only for old, post-reproductive bulls. This small quota is most likely related to the fact that 3 out of 5 rhino species is on the critically endangered species list.
Answer:
In red blood cells when carbon monoxide is inhaled or produced in normal metabolism. Formation of large quantities can hinder delivery of oxygen to the body.
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A heart attack happens when a coronary artery becomes out of no where in a instant blocked and it stops the flow of blood to the heart muscle and starts to damage it.
