Freelancing is not just a U.S. phenomenon, but is now spreading around the world. 1  There are approximatly 53 million freelancers in the U.S. contributing $715 billion in earnings to the national economy. 2  80% of all workers in the U.S. surveyed said they would do work on the side if it came to them to earn extra money.
pH value. A number denoting the degree of acidity or of basicity (alkalinity); 7 is a neutral value; acidity increases with decreasing values below 7; basicity increases with increasing values above 7.
How to Test Body pH Levels. Like foods and fluids, your own body has a pH level, and it's actually rather specific. The acceptable range for your pH is between 7.1 and 7.5, according to Alkalize for Health. Anything above this range is considered alkaline, while scores below the range indicate acidity.