A variable.
In an experiment, it is important that everything is exactly the same in order to achieve correct results. The only exception are the variables, the independent variable and the dependent variable.
I'm pretty sure that would be the spinal cord. Hope this helps. :)
The picture is just blank
Answer:
i think Mammalian cells
Explanation:
If am wrong than i am sorry
Answer:
A watershed – the land area that drains to a stream, lake or river – affects the water quality in the water body that it surrounds. ... They are influenced by naturally varying lake levels, water movement to and from groundwater, and amount of stream flow.
Explanation:
