Is it better to use the number of protons or the number of neutrons ro determine what type of element an atom represents

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

c.           is the correct answer