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.
Alkali metals can form strong bases more rapidly than Alkaline Earth Metals. Another difference between Alkali and Alkaline lies in the fact that Alkaline Earth Metals elements have a higher ionization energy and a smaller ring because of the fact they have an extra electron. Summary: 1.The words alkali and alkaline can mean the same thing if you use them it in a non-chemical conversation.Basically, alkali is the noun while alkaline is the adjective. 2. If you speak of alkali and alkaline in chemical terms, there is a tremendous difference. 3.ummary: 1. The words alkali and alkaline can mean the same thing if you use them it in a non-chemical conversation. Basically, alkali is the noun while alkaline is the adjective. 2. If you speak of alkali and alkaline in chemical terms, there is a tremendous difference.