Answer:
1 is H
3 is NA
the one below 14 is SI
16 is O
the one below 17 is Ci
the one below 18 is NE
Explanation:
hope this helps!
Answer: A 13
Explanation: hope this helps!
Pulse rate depends on the activity we do, while exercising theres need of more oxygen so it increases but while at rest body requires less oxygen so low pulse rate.
Easy B. is the answer