The answer is efferent
division. The nervous system acts as an input-output
system. The afferent nervous system conveys
signals to the brain following a stimulus. After processing of the information, the
brain sends out a signal in response. This response is carried by the efferent nerve to the requisite organ involved
in the response.
My Answer: <span> lower than terrestrial planet densities, lower than the density of rock.
Hope I helped! :D
</span>
If it’s 40% glucose then it will be 60% water