What is the value of 7C2?
A. 15
o
B. 21
O C. 42
O D. 49
The answer

{r]{y}     {r]{y}

{y}{r .     {r}{y}

explanation:

the peripheral nervous system or pns contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body. the peripheral nervous system's main job is to send information gathered by the body's sensory receptors to the cns as quickly as possible.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs