The bacteria lactobacillus acidophilud arr frequrntly used in thr production of yogurt. these bacteria use lactic acid

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods