Great white sharks. Trophic Pyramid Information that is in video: An ecological pyramid (also trophic pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem.
The risk is that you may not be able to remove all the acid and if it is left on the metal it will continue to corrode the metal. So to give you a quick answer, you can use vinegar to etch the aluminum, but you have to rinse the surface thoroughly to remove all the acid residue.
Vinegar is a product of the fermentation of alcohol by bacteria to produce acetic acid. The acetic acid is what gives vinegar its tangy flavor and also the ingredient that makes vinegar useful for household cleaning.Although you can use any alcohol for fermentation, you want to use ethanol to make vinegar you can drink and use in recipes.The ethanol can come from any number of sources, such as apple cider, wine, rice wine, fermented sugar cane, beer, honey and water, whiskey and water, or vegetable juice.inegar is a product of the fermentation of alcohol by bacteria to produce acetic acid. The acetic acid is what gives vinegar its tangy flavor and also the ingredient that makes vinegar useful for household cleaning.