in our lungs
and throughout our blood stream
Man you need to change this to a different catagory
I am not entirely sure what you mean by "responding variable" but I'm going to guess it was the vinegar since it has been used as a perservative for years.
Hope that helps in some way.
The answer is c which is Chlorophyll.
Answer:
D two organisms depend on each other for survival.
Explanation:
Symbiotic relationship is a type of relationship between two organisms in which the both of them gain something positive from each other. A good example is the relationship between the cattle and egret. The egret helps in grooming the cattle and the cattle in return provides food for the egret.
In a symbiotic relationship, two organisms depend on each other for survival and is the right choice in the above question.