What is the average atomic mass of silicon given the following abundance information.

All of the following are free tools to you prepare for the sat except

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?

Anna’s mother prepares sauerkraut, a fermented dish made from finely cut cabbage and salt. lactobacillus bacteria present on the surface of the cabbage combine with salt to turn the cabbage into a crunchy, sour dish. what chemical process occurs to create this dish? a. alcoholic fermentation b. cellular respiration c. conservation d. lactic acid fermentation e. photosynthesis