Nucleic acids a. combine to form carbohydrates b. store and transmit hereditary information c. are made up of amino acids d. form polysaccharides

To put it simply it is B

Explanation:

If I got it right then so should you (;

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.

i am going to guess that it is co2.