-autotrophic bacteria give off oxygen (O2)
-flavor foods such as vinegar, yogurt, cheese, etc. (pasteurization)
-decomposers (bacteria)- recycle nutrients in food web
-enviromental clean-up- bacteria eat oil from oil spills
0health and medicine- bacteria break down food in your intestines/make
2 abiotic(non living) limiting factors are water(A) and food(B)
the correct answer is option <u>A. effluent from </u><u>factories</u><u>. </u><u> </u> (◍•ᴗ•◍)