The difference in the amount of a substance across a membrane

Composition of CH 3 OCH 3

Element  

Symbol  

Atomic Mass  

# of Atoms  

Mass Percent  

Carbon  

C  

24.0214 g/mol  

2  

52.1429%  

Hydrogen  

H  

6.0476 g/mol  

6  

13.1275%  

Oxygen  

O  

15.9994 g/mol  

1  

34.7296%

Explanation: because it is

it is a

explanation:

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.