Answer:
true
Explanation:
Cerebrospinal fluids is a colorless fluid that is secreted in the choroid plexus,and circulates in the ventricles system and sub -aranchinoid space of the brain and spinal cord. its provides nutrients to the surrounding neurons, cushions the effects of trauma, pressure, acts as buffer and provides protection through immune system .
it plays a vital role in regulating blood flow, through a process called cerebral auto regulation,This is needed to maintain efficient cerebral blood flow of oxygen and other metabolites, and withdraw of metabolic wastes from the brain.
in order to analyze it to diagnose some neurological diseases its sample is usually taken out in a process called lumbar puncture.
...the results of natural and unnatural processes, and of interactions of the physical components of the planet on the environment.
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Answer:
Hey mate....
Explanation:
This is ur answer.....
<h2><em>True</em></h2>
<em>Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms produce more offspring than are able to survive in their environment.</em>
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Answer:
a gas has no definite Shape and Volume
Explanation:
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Answer:
I think A, "Primary pollutants from a stationary source"
Explanation:
Got it right on exam :)