20 Chapter 1 Introduction to Statistical Quality Control, 5th Edition by Douglas C. Montgomery. 39Copyright (c) 2005 John Wiley & Sons, Inc.Chapter 1 Introduction to Statistical Quality Control, 5th Edition by Douglas C. Montgomery. 40Copyright (c) 2005 John Wiley & Sons, Inc.
Water hardness is a measure of the dissolved mineral content of water. There are two types: the general hardness (GH) and carbonate hardness (KH). When keeping freshwater fish and plants, the GH and the KH of aquarium water should match their natural habitat.
Best Answer: Most typically it is distance/time^2. The distance units and the time units can be anything. Acceleration can also be measured in g's. g-for gravity. 1 g=9.8 meters/second^2. 1 g is equal to the acceleration forces due to gravity on a body at rest at sea level.