The answer is:
D. The bioindicator is a scale based on the tolerance value of macro-invertebrates in an environment, used to measure water quality in streams.
As for the other choices, they're seldom used for more extensive purposes that measure different variables in the stream environment.
<span>I believe it is C.
Waste is removed through a designated opening.</span>
Answer:
about the cabbage indicator plzz answer the rest of the questions here they are:
Why did some substances require larger additions before a color change was seen? What does this indicate about the strength of the acid or base?
What happened in the final step of the experiment? What does the final color indicate?
To what extent was this experiment useful in determining pH? Could a specific pH be determined using this procedure?
Why are acid and base indicators important? How could they be used in everyday life?
Explanation:
This solution will work, because the amount of rocks and the size of the rocks also depend on how much farther you will move, although once you start to build up a little bit of inertia it will become easier.
Hope this helps!
