Please help me get an answer before 10/28/20 12 am pst

Carbon could come from the 6 molecules of CO2, Hydrogen could come from the 6 molecules of H2O, and the Oxygen could come from either the CO2 or H2O, because both molecules contain oxygen.

Explanation:

answer: because

explanation: idk

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.