<span>Mercury, Venus, and Mars. It depends a bit on where you measure the gravity. </span><span>
</span>
True, though the Hadean period is one exception.
Answer:
A. the digestive, muscular, and respiratory
Explanation:
Muscle weakness affects the muscular system (muscles are in the muscular system) , stomach pain affects the digestive system (stomach is a part of the digestive system), and coughing affects the respiratory system (coughing hinders the ability to breathe properly).
I believe it is Nitrogen dioxide
