Everyday Science
NULL
Medium
Question
Which element has the second-highest percentage in the human body?
A
Oxygen 65%
B
Calcium 75%
C
Hydrogen 10%
D
Carbon 18%
✓ Official correct answer
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Oxygen 65%
No member explanations yet for this option.
B
Calcium 75%
No member explanations yet for this option.
C
Hydrogen 10%
No member explanations yet for this option.
D
Carbon 18%
No member explanations yet for this option.
Explanation
After oxygen, carbon (~18%) is typically second by mass.
Hence the keyed answer is Carbon 18%.
Related Questions
Q
What is the largest type of shark?
Medium
· Everyday Science
Q
Which famous scientist formulated the laws of motion and universal gravitation?
Medium
· Everyday Science
Q
Which planet is known for its beautiful rings?
Medium
· Everyday Science
Q
Pedology is the study of ___________?
Medium
· Everyday Science