In the short run, the shape of the average total cost curve (ATC) is U-shaped. The, short run average cost curve falls in the beginning, reaches a minimum and then begins to rise.The reasons for the average cost to fall in the beginning of production are that the fixed factors of a firm remain the same.The change only takes place in the variable factors such as raw material, labor, etc.he, short run average cost curve falls in the beginning, reaches a minimum and then begins to rise. The reasons for the average cost to fall in the beginning of production are that the fixed factors of a firm remain the same. The change only takes place in the variable factors such as raw material, labor, etc.
The definition of alkaline is any substance having a base pH higher than 7. Certain types of food (such as broccoli) are examples of something alkaline because their pH is higher than 7. 1  of, like, or having the properties of an alkali.  having a pH more than 7.
Shares & Saves. Save. The word alkaline has an unique etymology, for it is derived from the Arabic word, al qaliy, which refers to the calcined ashes that were combined with animal fat to make soap. Today, alkaline is often defined as being the opposite of acidic, also called basic.hares & Saves. Save. The word alkaline has an unique etymology, for it is derived from the Arabic word, al qaliy, which refers to the calcined ashes that were combined with animal fat to make soap. Today, alkaline is often defined as being the opposite of acidic, also called basic.