<span>The fluid flows through the interventricular foramen into the third ventricle, is augmented by fluid formed by the choroid plexus of this ventricle, and passes through the cerebral aqueduct to the fourth ventricle, which also possesses a choroid plexus. The CSF from all theses sources , as well as any formed in the central canal of the spinal cord, escapes from the fourth ventricle into the subarachnoid space through the median aperture and lateral aperture.</span>
<span>The virus uses the cell to replicate itself and then moves on. The cell, after replication dies as the new virus spreads.
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Answer:
B) Mutualism
Explanation:
In mutualism both organisms benefit. The organisms in this example are the fungus and the ants. The ants provide food to the fungus so that it can live. In return the fungus provide food for the ants.
These fuels are nonrenewable because they are limited substances which cannot be produced at the same rate at which it is used. Also, they cannot be REused, hence the wording non-REnewable. Hope this answers your question.