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 don't even know the answer sorry
Answer:
A scale and a tape measure.
Explanation:
Use the tape measure to get the volume and the scale to get the mass.
Answer:
analize data and draw a conclusion
