Answer:
C.
paddling a canoe
Step-by-step explanation:
I think its C because a baseline activity refers to the light-intensity activities of daily life, such as standing, walking slowly, and lifting lightweight objects. Since it refers to that and the four options listed is:
A. reading
B. sitting in class
C. paddling a canoe
D. using a calculato
The correct is C because thats the only one really but any weight on the person.
More Info:
Reading doesn't put now light weight on your body even if your standing,
Sitting in class your not doing anything else instead of listening to your teacher, doing work, and trying not to fall asleep:
Paddling a canoe the paddle has a little weight on it and you have to try your best with and without help to keep the canoe balance:
Lastly, using a calculator your just typing in numbers and stuff either for work purposes or just fun.