The major light absorbing pigment in green plant photosynthesis is
a) rhodophyll.
b) chlorophyll.
c) cytochrome a.
d) cytochrome c.

your answer is "the 1950's"

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.