An independent variable is a variable which change is not affected by that of another variable. By process of elimination you can take out B and C. An independent variable can also change so that takes out A. That leaves D.
The best answer to fill in the blank would be B) Small intestine or the second option.
-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
I believe there is a pill for that. I think vets can do it too.
Answer:
Both Anti A and Anti B bodies are present in the blood stream of person with blood group O
I hope this will help you:)