B
Protect themselves from predators
In every molecule of

there is 8 atoms of Carbon.
IF we have 3.7 moles of

to find the number of moles of Carbon, just multiply by 8
3.7 * 8 = 29.6 mol Carbon
The atomic mass is defined as the mass an atom of an element. The atomic mass in approximation is equal to the sum of number of neutrons and protons in the nucleus of an atom (mass number). The units which are used for measuring the atomic mass is atomic mass unit,
.
Thus, the correct option is option E that is atomic mass unit is used for measuring atomic mass.
Answer:
4 elements
Explanation:
The four elements would be:
C-Carbon
H-Hydrogen
O-Oxygen
S-Sulfur
Hope this helps :)