Normally the systemic arterial blood has a po2 of mm hg, a pco2 of mm hg, and a ph of
a. 40; 95; 7.4
b. 95; 40; 7.4
c. 7.4; 40; 95
d. 95; 7.4; 40

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for