Knees and elbows are two of the most common ones.
Answer:
A
Explanation:
The letter A is the correct answer
I believe it is C, but I can't guarantee it.
Answer:
i cant see the picture good
Total weight = 1 + 35.45 + 3 * 16 = 84.45
H = 1 / 84.45 * 100% = 1.18%
Cl = 35.45 / 84.45 * 100% = 41.98%
O = 48 / 84.45 * 100% = 56.84%